Search references:
| 441. | Restle, Tassilo M F; Dums, Jasmin V; Raudaschl-Sieber, Gabriele; Fässler, Thomas F: Synthesis, Structure, Solid-State NMR Spectroscopy, and Electronic Structures of the Phosphidotrielates Li 3 AlP 2 and Li 3 GaP 2. In: Chemistry – A European Journal, 26 (30), pp. 6812–6819, 2020. (Type: Journal Article | Links | BibTeX) @article{Restle_2020b, title = {Synthesis, Structure, Solid-State NMR Spectroscopy, and Electronic Structures of the Phosphidotrielates Li 3 AlP 2 and Li 3 GaP 2}, author = {Tassilo M F Restle and Jasmin V Dums and Gabriele Raudaschl-Sieber and Thomas F Fässler}, url = {https://chemistry-europe.onlinelibrary.wiley.com/doi/full/10.1002/chem.202000482}, doi = {DOI: 10.1002/chem.202000482}, year = {2020}, date = {2020-04-01}, journal = {Chemistry – A European Journal}, volume = {26}, number = {30}, pages = {6812--6819}, publisher = {Wiley}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
| 442. | Mayer, Kerstin; Dums, Jasmin V; Benda, Christian B; Klein, Wilhelm; Fässler, Thomas F: Lösemittel-induzierter Halbleiter-Metall-Übergang: Planare [Bi1-]-Zickzack-Ketten im metallischen KBi$cdot$NH3im Vergleich zu [Bi1-]-Helices im halbleitenden KBi. In: Angewandte Chemie, 132 (17), pp. 6866–6871, 2020. (Type: Journal Article | Links | BibTeX) @article{Mayer_2020, title = {Lösemittel-induzierter Halbleiter-Metall-Übergang: Planare [Bi1-]-Zickzack-Ketten im metallischen KBi$cdot$NH3im Vergleich zu [Bi1-]-Helices im halbleitenden KBi}, author = {Kerstin Mayer and Jasmin V Dums and Christian B Benda and Wilhelm Klein and Thomas F Fässler}, url = {https://onlinelibrary.wiley.com/doi/full/10.1002/ange.201915735}, doi = {DOI: 10.1002/ange.201915735}, year = {2020}, date = {2020-04-01}, journal = {Angewandte Chemie}, volume = {132}, number = {17}, pages = {6866--6871}, publisher = {Wiley}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
| 443. | Xu, Yucheng; Zheng, Jiaxin; Lindner, Joachim O; Wen, Xinbo; Jiang, Nianqiang; Hu, Zhicheng; Liu, Linlin; Huang, Fei; Würthner, Frank; Xie, Zengqi: Consecutive Charging of a Perylene Bisimide Dye by Multistep Low-Energy Solar-Light-Induced Electron Transfer Towards H 2 Evolution. In: Angewandte Chemie International Edition, 59 (26), pp. 10363–10367, 2020. (Type: Journal Article | Links | BibTeX) @article{Xu2020, title = {Consecutive Charging of a Perylene Bisimide Dye by Multistep Low-Energy Solar-Light-Induced Electron Transfer Towards H 2 Evolution}, author = {Yucheng Xu and Jiaxin Zheng and Joachim O Lindner and Xinbo Wen and Nianqiang Jiang and Zhicheng Hu and Linlin Liu and Fei Huang and Frank Würthner and Zengqi Xie}, doi = {10.1002/anie.202001231}, year = {2020}, date = {2020-04-01}, journal = {Angewandte Chemie International Edition}, volume = {59}, number = {26}, pages = {10363--10367}, publisher = {Wiley}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
| 444. | Gernert, Markus; Balles-Wolf, Lukas; Kerner, Florian; Müller, Ulrich; Schmiedel, Alexander; Holzapfel, Marco; Marian, Christel M; Pflaum, Jens; Lambert, Christoph; Steffen, Andreas: Cyclic (Amino)(aryl)carbenes Enter the Field of Chromophore Ligands: Expanded $uppi$ System Leads to Unusually Deep Red Emitting CuI Compounds. In: Journal of the American Chemical Society, 142 (19), pp. 8897–8909, 2020. (Type: Journal Article | Links | BibTeX) @article{Gernert2020, title = {Cyclic (Amino)(aryl)carbenes Enter the Field of Chromophore Ligands: Expanded $uppi$ System Leads to Unusually Deep Red Emitting CuI Compounds}, author = {Markus Gernert and Lukas Balles-Wolf and Florian Kerner and Ulrich Müller and Alexander Schmiedel and Marco Holzapfel and Christel M Marian and Jens Pflaum and Christoph Lambert and Andreas Steffen}, doi = {10.1021/jacs.0c02234}, year = {2020}, date = {2020-04-01}, journal = {Journal of the American Chemical Society}, volume = {142}, number = {19}, pages = {8897--8909}, publisher = {American Chemical Society (ACS)}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
| 445. | Giesbrecht, Nadja; Weis, Andreas; Bein, Thomas: Formation of stable 2D methylammonium antimony iodide phase for lead-free perovskite-like solar cellsast. In: Journal of Physics: Energy, 2 (2), pp. 024007, 2020. (Type: Journal Article | Abstract | Links | BibTeX) @article{Giesbrecht2020, title = {Formation of stable 2D methylammonium antimony iodide phase for lead-free perovskite-like solar cellsast}, author = {Nadja Giesbrecht and Andreas Weis and Thomas Bein}, url = {https://doi.org/10.1088%2F2515-7655%2Fab78ef}, doi = {10.1088/2515-7655/ab78ef}, year = {2020}, date = {2020-03-01}, journal = {Journal of Physics: Energy}, volume = {2}, number = {2}, pages = {024007}, publisher = {IOP Publishing}, abstract = {The presence of lead in novel hybrid perovskite-based solar cells remains a significant issue regarding commercial applications. Therefore, antimony-based perovskite-like A3M2X9 structures are promising new candidates for low toxicity photovoltaic applications. So far, MA3Sb2I9 was reported to only crystallize in the ‘zero-dimensional’ (0D) dimer structure with wide indirect bandgap properties. However, the formation of the 2D layered polymorph is more suitable for solar cell applications due to its expected direct and narrow bandgap. Here, we demonstrate the first synthesis of phase pure 2D layered MA3Sb2I9, based on antimony acetate dissolved in alcoholic solvents. Using in situ XRD methods, we confirm the stability of the layered phase towards high temperature, but the exposure to 75% relative humidity for several hours leads to a rearrangement of the phase with partial formation of the 0D structure. We investigated the electronic band structure and confirmed experimentally the presence of a semi-direct bandgap at around 2.1 eV. Our work shows that careful control of nucleation via processing conditions can provide access to promising perovskite-like phases for photovoltaic applications.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The presence of lead in novel hybrid perovskite-based solar cells remains a significant issue regarding commercial applications. Therefore, antimony-based perovskite-like A3M2X9 structures are promising new candidates for low toxicity photovoltaic applications. So far, MA3Sb2I9 was reported to only crystallize in the ‘zero-dimensional’ (0D) dimer structure with wide indirect bandgap properties. However, the formation of the 2D layered polymorph is more suitable for solar cell applications due to its expected direct and narrow bandgap. Here, we demonstrate the first synthesis of phase pure 2D layered MA3Sb2I9, based on antimony acetate dissolved in alcoholic solvents. Using in situ XRD methods, we confirm the stability of the layered phase towards high temperature, but the exposure to 75% relative humidity for several hours leads to a rearrangement of the phase with partial formation of the 0D structure. We investigated the electronic band structure and confirmed experimentally the presence of a semi-direct bandgap at around 2.1 eV. Our work shows that careful control of nucleation via processing conditions can provide access to promising perovskite-like phases for photovoltaic applications. |
| 446. | Charles, Bethan; Weller, Mark T; Rieger, Sebastian; Hatcher, Lauren E; Henry, Paul F; Feldmann, Jochen; Wolverson, Daniel; Wilson, Chick C: Phase Behavior and Substitution Limit of Mixed Cesium-Formamidinium Lead Triiodide Perovskites. In: Chem. Mater., 32 (6), pp. 2282–2291, 2020, ISSN: 0897-4756. (Type: Journal Article | Abstract | Links | BibTeX) @article{Charles2020, title = {Phase Behavior and Substitution Limit of Mixed Cesium-Formamidinium Lead Triiodide Perovskites}, author = {Bethan Charles and Mark T Weller and Sebastian Rieger and Lauren E Hatcher and Paul F Henry and Jochen Feldmann and Daniel Wolverson and Chick C Wilson}, url = {https://doi.org/10.1021/acs.chemmater.9b04032}, doi = {10.1021/acs.chemmater.9b04032}, issn = {0897-4756}, year = {2020}, date = {2020-03-01}, journal = {Chem. Mater.}, volume = {32}, number = {6}, pages = {2282--2291}, publisher = {American Chemical Society}, abstract = {The mixed cation lead iodide perovskite photovoltaics show improved stability following site substitution of cesium ions (Cs+) onto the formamidinium cation sites (FA+) of (CH(NH2)2PbI3 (FAPbI3) and increased resistance to formation of the undesirable ∂-phase. The structural phase behavior of Cs0.1FA0.9PbI3 has been investigated by neutron powder diffraction (NPD), complemented by single crystal and power X-ray diffraction and photoluminescence spectroscopy. The Cs-substitution limit has been determined to be less than 15%, and the cubic α-phase, Cs0.1FA0.9PbI3, is shown to be synthesizable in bulk and stable at 300 K. On cooling the cubic Cs0.1FA0.9PbI3, a slow, second-order cubic to tetragonal transition is observed close to 290 K, with variable temperature NPD indicating the presence of the tetragonal β-phase, adopting the space group P4/mbm between 290 and 180 K. An orthorhombic phase or twinned tetragonal phase is formed below 180 K, and the temperature for further transition to a disordered state is lowered to 125 K compared to that seen in phase pure α-FAPbI3 (140 K). These results demonstrate the importance of understanding the effect of cation site substitution on structure-property relationships in perovskite materials.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The mixed cation lead iodide perovskite photovoltaics show improved stability following site substitution of cesium ions (Cs+) onto the formamidinium cation sites (FA+) of (CH(NH2)2PbI3 (FAPbI3) and increased resistance to formation of the undesirable ∂-phase. The structural phase behavior of Cs0.1FA0.9PbI3 has been investigated by neutron powder diffraction (NPD), complemented by single crystal and power X-ray diffraction and photoluminescence spectroscopy. The Cs-substitution limit has been determined to be less than 15%, and the cubic α-phase, Cs0.1FA0.9PbI3, is shown to be synthesizable in bulk and stable at 300 K. On cooling the cubic Cs0.1FA0.9PbI3, a slow, second-order cubic to tetragonal transition is observed close to 290 K, with variable temperature NPD indicating the presence of the tetragonal β-phase, adopting the space group P4/mbm between 290 and 180 K. An orthorhombic phase or twinned tetragonal phase is formed below 180 K, and the temperature for further transition to a disordered state is lowered to 125 K compared to that seen in phase pure α-FAPbI3 (140 K). These results demonstrate the importance of understanding the effect of cation site substitution on structure-property relationships in perovskite materials. |
| 447. | Urban, Patrick; Pritzl, Stefanie D; Ober, Martina F; Dirscherl, Christina F; Pernpeintner, Carla; Konrad, David B; Frank, James A; Trauner, Dirk; Nickel, Bert; Lohmueller, Theobald: A Lipid Photoswitch Controls Fluidity in Supported Bilayer Membranes. In: Langmuir, 36 (10), pp. 2629–2634, 2020, ISSN: 0743-7463. (Type: Journal Article | Abstract | Links | BibTeX) @article{Urban2020, title = {A Lipid Photoswitch Controls Fluidity in Supported Bilayer Membranes}, author = {Patrick Urban and Stefanie D Pritzl and Martina F Ober and Christina F Dirscherl and Carla Pernpeintner and David B Konrad and James A Frank and Dirk Trauner and Bert Nickel and Theobald Lohmueller}, url = {https://doi.org/10.1021/acs.langmuir.9b02942}, doi = {10.1021/acs.langmuir.9b02942}, issn = {0743-7463}, year = {2020}, date = {2020-03-01}, journal = {Langmuir}, volume = {36}, number = {10}, pages = {2629--2634}, publisher = {American Chemical Society}, abstract = {Supported lipid bilayer (SLB) membranes are key elements to mimic membrane interfaces on a planar surface. Here, we demonstrate that azobenzene photolipids (azo-PC) form fluid, homogeneous SLBs. Diffusion properties of azo-PC within SLBs were probed by fluorescence microscopy and fluorescence recovery after photobleaching. At ambient conditions, we find that the trans-to-cis isomerization causes an increase of the diffusion constant by a factor of two. Simultaneous excitation with two wavelengths and variable intensities furthermore allows to adjust the diffusion constant D continuously. X-ray reflectometry and small-angle scattering measurements reveal that membrane photoisomerization results in a bilayer thickness reduction of ∼0.4 nm (or 10%). While thermally induced back-switching is not observed, we find that the trans bilayer fluidity is increasing with higher temperatures. This change in diffusion constant is accompanied by a red-shift in the absorption spectra. Based on these results, we suggest that the reduced diffusivity of trans-azo-PC is controlled by intermolecular interactions that also give rise to H-aggregate formation in bilayer membranes.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Supported lipid bilayer (SLB) membranes are key elements to mimic membrane interfaces on a planar surface. Here, we demonstrate that azobenzene photolipids (azo-PC) form fluid, homogeneous SLBs. Diffusion properties of azo-PC within SLBs were probed by fluorescence microscopy and fluorescence recovery after photobleaching. At ambient conditions, we find that the trans-to-cis isomerization causes an increase of the diffusion constant by a factor of two. Simultaneous excitation with two wavelengths and variable intensities furthermore allows to adjust the diffusion constant D continuously. X-ray reflectometry and small-angle scattering measurements reveal that membrane photoisomerization results in a bilayer thickness reduction of ∼0.4 nm (or 10%). While thermally induced back-switching is not observed, we find that the trans bilayer fluidity is increasing with higher temperatures. This change in diffusion constant is accompanied by a red-shift in the absorption spectra. Based on these results, we suggest that the reduced diffusivity of trans-azo-PC is controlled by intermolecular interactions that also give rise to H-aggregate formation in bilayer membranes. |
| 448. | Geiger, Michael; Acharya, Rachana; Reutter, Eric; Ferschke, Thomas; Zschieschang, Ute; Weis, Jürgen; Pflaum, Jens; Klauk, Hagen; Weitz, Ralf Thomas: Effect of the Degree of the Gate-Dielectric Surface Roughness on the Performance of Bottom-Gate Organic Thin-Film Transistors. In: Advanced Materials Interfaces, 7 (10), pp. 1902145, 2020. (Type: Journal Article | Links | BibTeX) @article{Geiger2020, title = {Effect of the Degree of the Gate-Dielectric Surface Roughness on the Performance of Bottom-Gate Organic Thin-Film Transistors}, author = {Michael Geiger and Rachana Acharya and Eric Reutter and Thomas Ferschke and Ute Zschieschang and Jürgen Weis and Jens Pflaum and Hagen Klauk and Ralf Thomas Weitz}, doi = {10.1002/admi.201902145}, year = {2020}, date = {2020-03-01}, journal = {Advanced Materials Interfaces}, volume = {7}, number = {10}, pages = {1902145}, publisher = {Wiley}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
| 449. | Silva, Barbara P G; Tosco, Bruna; de Florio, Daniel Z; Stepanenko, Vladimir; Würthner, Frank; é, Jos; Brochsztain, Sergio: Efficient Electronic Coupling in Perylenediimide Multilayered Films on Indium Tin Oxide. In: The Journal of Physical Chemistry C, 124 (10), pp. 5541–5551, 2020. (Type: Journal Article | Links | BibTeX) @article{Silva2020, title = {Efficient Electronic Coupling in Perylenediimide Multilayered Films on Indium Tin Oxide}, author = {Barbara P G Silva and Bruna Tosco and Daniel Z de Florio and Vladimir Stepanenko and Frank Würthner and Jos é and Sergio Brochsztain}, doi = {10.1021/acs.jpcc.9b11373}, year = {2020}, date = {2020-02-01}, journal = {The Journal of Physical Chemistry C}, volume = {124}, number = {10}, pages = {5541--5551}, publisher = {American Chemical Society (ACS)}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
| 450. | Biewald, Alexander; Giesbrecht, Nadja; Bein, Thomas; Docampo, Pablo; Hartschuh, Achim; Ciesielski, Richard: Local Disorder at the Phase Transition Interrupts Ambipolar Charge Carrier Transport in Large Crystal Methylammonium Lead Iodide Thin Films. In: The Journal of Physical Chemistry C, 124 (38), pp. 20757-20764, 2020. (Type: Journal Article | Abstract | Links | BibTeX) @article{Biewald2020, title = {Local Disorder at the Phase Transition Interrupts Ambipolar Charge Carrier Transport in Large Crystal Methylammonium Lead Iodide Thin Films}, author = {Alexander Biewald and Nadja Giesbrecht and Thomas Bein and Pablo Docampo and Achim Hartschuh and Richard Ciesielski}, url = {https://doi.org/10.1021/acs.jpcc.0c06240}, doi = {10.1021/acs.jpcc.0c06240}, year = {2020}, date = {2020-01-01}, journal = {The Journal of Physical Chemistry C}, volume = {124}, number = {38}, pages = {20757-20764}, abstract = {The low-temperature transition from a tetragonal to an orthorhombic crystal phase in methylammonium lead iodide (MAPI) is accompanied by drastic changes in the charge carrier mobility around a critical temperature of approximately 164 K. This transition is studied here using photoluminescence (PL) microscopy on large crystal MAPI thin films, which is extremely sensitive to modifications of the charge carrier dynamics and can resolve physical properties on a single-grain level. The key observation is that ambipolar charge carrier diffusion suddenly stops when the temperature falls below the phase transition temperature. From coexisting PL bands and their spatial distribution, it is concluded that the temperature range from just below the phase transition until about 150 K is determined by a mixed phase where small orthorhombic and tetragonal domains coexist. This results in local disorder, which hinders ambipolar charge carrier diffusion.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The low-temperature transition from a tetragonal to an orthorhombic crystal phase in methylammonium lead iodide (MAPI) is accompanied by drastic changes in the charge carrier mobility around a critical temperature of approximately 164 K. This transition is studied here using photoluminescence (PL) microscopy on large crystal MAPI thin films, which is extremely sensitive to modifications of the charge carrier dynamics and can resolve physical properties on a single-grain level. The key observation is that ambipolar charge carrier diffusion suddenly stops when the temperature falls below the phase transition temperature. From coexisting PL bands and their spatial distribution, it is concluded that the temperature range from just below the phase transition until about 150 K is determined by a mixed phase where small orthorhombic and tetragonal domains coexist. This results in local disorder, which hinders ambipolar charge carrier diffusion. |
| 451. | Kampmann, Jonathan; Betzler, Sophia; Hajiyani, Hamidreza; Häringer, Sebastian; Beetz, Michael; Harzer, Tristan; Kraus, Jürgen; Lotsch, Bettina V; Scheu, Christina; Pentcheva, Rossitza; Fattakhova-Rohlfing, Dina; Bein, Thomas: How photocorrosion can trick you: a detailed study on low-bandgap Li doped CuO photocathodes for solar hydrogen production. In: Nanoscale, 12 , pp. 7766-7775, 2020. (Type: Journal Article | Abstract | Links | BibTeX) @article{Kampmann2020, title = {How photocorrosion can trick you: a detailed study on low-bandgap Li doped CuO photocathodes for solar hydrogen production}, author = {Jonathan Kampmann and Sophia Betzler and Hamidreza Hajiyani and Sebastian Häringer and Michael Beetz and Tristan Harzer and Jürgen Kraus and Bettina V Lotsch and Christina Scheu and Rossitza Pentcheva and Dina Fattakhova-Rohlfing and Thomas Bein}, url = {http://dx.doi.org/10.1039/C9NR10250G}, doi = {10.1039/C9NR10250G}, year = {2020}, date = {2020-01-01}, journal = {Nanoscale}, volume = {12}, pages = {7766-7775}, publisher = {The Royal Society of Chemistry}, abstract = {The efficiency of photoelectrochemical tandem cells is still limited by the availability of stable low band gap electrodes. In this work, we report a photocathode based on lithium doped copper(ii) oxide, a black p-type semiconductor. Density functional theory calculations with a Hubbard U term show that low concentrations of Li (Li0.03Cu0.97O) lead to an upward shift of the valence band maximum that crosses the Fermi level and results in a p-type semiconductor. Therefore, Li doping emerged as a suitable approach to manipulate the electronic structure of copper oxide based photocathodes. As this material class suffers from instability in water under operating conditions, the recorded photocurrents are repeatedly misinterpreted as hydrogen evolution evidence. We investigated the photocorrosion behavior of LixCu1−xO cathodes in detail and give the first mechanistic study of the fundamental physical process. The reduced copper oxide species were localized by electron energy loss spectroscopy mapping. Cu2O grows as distinct crystallites on the surface of LixCu1−xO instead of forming a dense layer. Additionally, there is no obvious Cu2O gradient inside the films, as Cu2O seems to form on all LixCu1−xO nanocrystals exposed to water. The application of a thin Ti0.8Nb0.2Ox coating by atomic layer deposition and the deposition of a platinum co-catalyst increased the stability of LixCu1−xO against decomposition. These devices showed a stable hydrogen evolution for 15 minutes.}, keywords = {}, pubstate = {published}, tppubtype = {article} } The efficiency of photoelectrochemical tandem cells is still limited by the availability of stable low band gap electrodes. In this work, we report a photocathode based on lithium doped copper(ii) oxide, a black p-type semiconductor. Density functional theory calculations with a Hubbard U term show that low concentrations of Li (Li0.03Cu0.97O) lead to an upward shift of the valence band maximum that crosses the Fermi level and results in a p-type semiconductor. Therefore, Li doping emerged as a suitable approach to manipulate the electronic structure of copper oxide based photocathodes. As this material class suffers from instability in water under operating conditions, the recorded photocurrents are repeatedly misinterpreted as hydrogen evolution evidence. We investigated the photocorrosion behavior of LixCu1−xO cathodes in detail and give the first mechanistic study of the fundamental physical process. The reduced copper oxide species were localized by electron energy loss spectroscopy mapping. Cu2O grows as distinct crystallites on the surface of LixCu1−xO instead of forming a dense layer. Additionally, there is no obvious Cu2O gradient inside the films, as Cu2O seems to form on all LixCu1−xO nanocrystals exposed to water. The application of a thin Ti0.8Nb0.2Ox coating by atomic layer deposition and the deposition of a platinum co-catalyst increased the stability of LixCu1−xO against decomposition. These devices showed a stable hydrogen evolution for 15 minutes. |
| 452. | Zehetmaier, Peter M; Zoller, Florian; Beetz, Michael; Plaß, Maximilian A; Häringer, Sebastian; Böller, Bernhard; Döblinger, Markus; Bein, Thomas; Fattakhova-Rohlfing, Dina: Nanocellulose-Mediated Transition of Lithium-Rich Pseudo-Quaternary Metal Oxide Nanoparticles into Lithium Nickel Cobalt Manganese Oxide (NCM) Nanostructures. In: ChemNanoMat, 6 (4), pp. 618-628, 2020. (Type: Journal Article | Abstract | Links | BibTeX) @article{Zehetmaier2020, title = {Nanocellulose-Mediated Transition of Lithium-Rich Pseudo-Quaternary Metal Oxide Nanoparticles into Lithium Nickel Cobalt Manganese Oxide (NCM) Nanostructures}, author = {Peter M Zehetmaier and Florian Zoller and Michael Beetz and Maximilian A Plaß and Sebastian Häringer and Bernhard Böller and Markus Döblinger and Thomas Bein and Dina Fattakhova-Rohlfing}, url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/cnma.201900748}, doi = {https://doi.org/10.1002/cnma.201900748}, year = {2020}, date = {2020-01-01}, journal = {ChemNanoMat}, volume = {6}, number = {4}, pages = {618-628}, abstract = {Abstract We report the syntheses of various compounds within the pseudo-quaternary system of the type LiwNixCoyMnzOδ (δ≤1) (pre-NCMs). Four different compositions of this compound were realized as ultrasmall crystalline nanoparticles of 1–4 nm diameter using low-temperature solvothermal reaction conditions in tert-butanol at only 170 °C. All of the pre-NCMs crystallize in the rock-salt structure and their lithium content is between 20% and 30% with respect to the complete metal content. By adjusting the lithium content to 105% stoichiometry in the solvothermal reaction, the pre-NCMs can easily react to the respective Li(NixCoyMnz)O2 (NCM) nanoparticles. Furthermore, nanosized desert-rose structured NCMs were obtained after addition of nanocellulose during the synthesis. By using the mixed metal monoxides as precursor for the NCMs, cation mixing between lithium and nickel is favored and gets more pronounced with increasing nickel content. The cation mixing effect compromises good electrochemical capacity retention, but the desert-rose structure nevertheless enables enhanced stability at high power conditions, especially for NCM333.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Abstract We report the syntheses of various compounds within the pseudo-quaternary system of the type LiwNixCoyMnzOδ (δ≤1) (pre-NCMs). Four different compositions of this compound were realized as ultrasmall crystalline nanoparticles of 1–4 nm diameter using low-temperature solvothermal reaction conditions in tert-butanol at only 170 °C. All of the pre-NCMs crystallize in the rock-salt structure and their lithium content is between 20% and 30% with respect to the complete metal content. By adjusting the lithium content to 105% stoichiometry in the solvothermal reaction, the pre-NCMs can easily react to the respective Li(NixCoyMnz)O2 (NCM) nanoparticles. Furthermore, nanosized desert-rose structured NCMs were obtained after addition of nanocellulose during the synthesis. By using the mixed metal monoxides as precursor for the NCMs, cation mixing between lithium and nickel is favored and gets more pronounced with increasing nickel content. The cation mixing effect compromises good electrochemical capacity retention, but the desert-rose structure nevertheless enables enhanced stability at high power conditions, especially for NCM333. |
| 453. | Fang, Jiawen; Debnath, Tushar; Bhattacharyya, Santanu; Döblinger, Markus; Feldmann, Jochen; Stolarczyk, Jacek K: Photobase effect for just-in-time delivery in photocatalytic hydrogen generation. In: Nature Communications, 11 (1), pp. 5179, 2020, ISSN: 2041-1723. (Type: Journal Article | Abstract | Links | BibTeX) @article{Fang2020, title = {Photobase effect for just-in-time delivery in photocatalytic hydrogen generation}, author = {Jiawen Fang and Tushar Debnath and Santanu Bhattacharyya and Markus Döblinger and Jochen Feldmann and Jacek K Stolarczyk}, url = {https://doi.org/10.1038/s41467-020-18583-6}, doi = {10.1038/s41467-020-18583-6}, issn = {2041-1723}, year = {2020}, date = {2020-01-01}, journal = {Nature Communications}, volume = {11}, number = {1}, pages = {5179}, abstract = {Carbon dots (CDs) are a promising nanomaterial for photocatalytic applications. However, the mechanism of the photocatalytic processes remains the subject of a debate due to the complex internal structure of the CDs, comprising crystalline and molecular units embedded in an amorphous matrix, rendering the analysis of the charge and energy transfer pathways between the constituent parts very challenging. Here we propose that the photobasic effect, that is the abstraction of a proton from water upon excitation by light, facilitates the photoexcited electron transfer to the proton. We show that the controlled inclusion in CDs of a model photobase, acridine, resembling the molecular moieties found in photocatalytically active CDs, strongly increases hydrogen generation. Ultrafast spectroscopy measurements reveal proton transfer within 30 ps of the excitation. This way, we use a model system to show that the photobasic effect may be contributing to the photocatalytic H2 generation of carbon nanomaterials and suggest that it may be tuned to achieve further improvements. The study demonstrates the critical role of the understanding the dynamics of the CDs in the design of next generation photocatalysts.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Carbon dots (CDs) are a promising nanomaterial for photocatalytic applications. However, the mechanism of the photocatalytic processes remains the subject of a debate due to the complex internal structure of the CDs, comprising crystalline and molecular units embedded in an amorphous matrix, rendering the analysis of the charge and energy transfer pathways between the constituent parts very challenging. Here we propose that the photobasic effect, that is the abstraction of a proton from water upon excitation by light, facilitates the photoexcited electron transfer to the proton. We show that the controlled inclusion in CDs of a model photobase, acridine, resembling the molecular moieties found in photocatalytically active CDs, strongly increases hydrogen generation. Ultrafast spectroscopy measurements reveal proton transfer within 30 ps of the excitation. This way, we use a model system to show that the photobasic effect may be contributing to the photocatalytic H2 generation of carbon nanomaterials and suggest that it may be tuned to achieve further improvements. The study demonstrates the critical role of the understanding the dynamics of the CDs in the design of next generation photocatalysts. |
| 454. | Huang, He; Feil, Maximilian W; Fuchs, Simon; Debnath, Tushar; Richter, Alexander F; Tong, Yu; Wu, Linzhong; Wang, Yiou; Döblinger, Markus; Nickel, Bert: Growth of Perovskite CsPbBr3 Nanocrystals and Their Formed Superstructures Revealed by In Situ Spectroscopy. In: Chemistry of Materials, 32 (20), pp. 8877-8884, 2020. (Type: Journal Article | Abstract | Links | BibTeX) @article{Huang2020, title = {Growth of Perovskite CsPbBr3 Nanocrystals and Their Formed Superstructures Revealed by In Situ Spectroscopy}, author = {He Huang and Maximilian W Feil and Simon Fuchs and Tushar Debnath and Alexander F Richter and Yu Tong and Linzhong Wu and Yiou Wang and Markus Döblinger and Bert Nickel}, url = {https://doi.org/10.1021/acs.chemmater.0c02467}, doi = {10.1021/acs.chemmater.0c02467}, year = {2020}, date = {2020-01-01}, journal = {Chemistry of Materials}, volume = {32}, number = {20}, pages = {8877-8884}, abstract = {Metal halide perovskites have attracted substantial interest because of their promising properties for optoelectronic applications. Despite much progress made in the field, the exact growth mechanism of perovskite nanocrystals (e.g., CsPbBr3) remains elusive and further improvement of their controllable synthesis is challenging. Herein, we point out different phenomena during the processes of growth, cooling, and purification of high-quality CsPbBr3 nanocrystals using in situ photoluminescence spectroscopy. The as-synthesized materials have been further characterized by time-resolved transient differential transmission and photoluminescence spectroscopies. Using X-ray scattering, we confirm that nanocrystals form superstructures during the process of cooling already in dispersion, which is frequently ignored. The purification process is explained using a proposed model based on the self-size-selection. On the one hand, such superstructures pave a potential pathway to the fabrication of high-quality devices such as light-emitting devices. On the other hand, the approach to reveal their formation process benefits the comparison and understanding of the difference between nanocrystals and supercrystals. The fact that superstructures form already during synthesis may also apply to the different perovskite systems and thus help to improve the quality of the as-prepared nanocrystals.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Metal halide perovskites have attracted substantial interest because of their promising properties for optoelectronic applications. Despite much progress made in the field, the exact growth mechanism of perovskite nanocrystals (e.g., CsPbBr3) remains elusive and further improvement of their controllable synthesis is challenging. Herein, we point out different phenomena during the processes of growth, cooling, and purification of high-quality CsPbBr3 nanocrystals using in situ photoluminescence spectroscopy. The as-synthesized materials have been further characterized by time-resolved transient differential transmission and photoluminescence spectroscopies. Using X-ray scattering, we confirm that nanocrystals form superstructures during the process of cooling already in dispersion, which is frequently ignored. The purification process is explained using a proposed model based on the self-size-selection. On the one hand, such superstructures pave a potential pathway to the fabrication of high-quality devices such as light-emitting devices. On the other hand, the approach to reveal their formation process benefits the comparison and understanding of the difference between nanocrystals and supercrystals. The fact that superstructures form already during synthesis may also apply to the different perovskite systems and thus help to improve the quality of the as-prepared nanocrystals. |
| 455. | Vila-Liarte, David; Feil, Maximilian W; Manzi, Aurora; Garcia-Pomar, Juan Luis; Huang, He; Döblinger, Markus; Liz-Marzán, Luis M; Feldmann, Jochen; Polavarapu, Lakshminarayana; Mihi, Agustín: Templated-Assembly of CsPbBr3 Perovskite Nanocrystals into 2D Photonic Supercrystals with Amplified Spontaneous Emission. In: Angewandte Chemie International Edition, 59 (40), pp. 17750-17756, 2020. (Type: Journal Article | Abstract | Links | BibTeX) @article{VilaLiarte2020, title = {Templated-Assembly of CsPbBr3 Perovskite Nanocrystals into 2D Photonic Supercrystals with Amplified Spontaneous Emission}, author = {David Vila-Liarte and Maximilian W Feil and Aurora Manzi and Juan Luis Garcia-Pomar and He Huang and Markus Döblinger and Luis M Liz-Marzán and Jochen Feldmann and Lakshminarayana Polavarapu and Agustín Mihi}, url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.202006152}, doi = {https://doi.org/10.1002/anie.202006152}, year = {2020}, date = {2020-01-01}, journal = {Angewandte Chemie International Edition}, volume = {59}, number = {40}, pages = {17750-17756}, abstract = {Abstract Perovskite nanocrystals (NCs) have revolutionized optoelectronic devices because of their versatile optical properties. However, controlling and extending these functionalities often requires a light-management strategy involving additional processing steps. Herein, we introduce a simple approach to shape perovskite nanocrystals (NC) into photonic architectures that provide light management by directly shaping the active material. Pre-patterned polydimethylsiloxane (PDMS) templates are used for the template-induced self-assembly of 10 nm CsPbBr3 perovskite NC colloids into large area (1 cm2) 2D photonic crystals with tunable lattice spacing, ranging from 400 nm up to several microns. The photonic crystal arrangement facilitates efficient light coupling to the nanocrystal layer, thereby increasing the electric field intensity within the perovskite film. As a result, CsPbBr3 2D photonic crystals show amplified spontaneous emission (ASE) under lower optical excitation fluences in the near-IR, in contrast to equivalent flat NC films prepared using the same colloidal ink. This improvement is attributed to the enhanced multi-photon absorption caused by light trapping in the photonic crystal.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Abstract Perovskite nanocrystals (NCs) have revolutionized optoelectronic devices because of their versatile optical properties. However, controlling and extending these functionalities often requires a light-management strategy involving additional processing steps. Herein, we introduce a simple approach to shape perovskite nanocrystals (NC) into photonic architectures that provide light management by directly shaping the active material. Pre-patterned polydimethylsiloxane (PDMS) templates are used for the template-induced self-assembly of 10 nm CsPbBr3 perovskite NC colloids into large area (1 cm2) 2D photonic crystals with tunable lattice spacing, ranging from 400 nm up to several microns. The photonic crystal arrangement facilitates efficient light coupling to the nanocrystal layer, thereby increasing the electric field intensity within the perovskite film. As a result, CsPbBr3 2D photonic crystals show amplified spontaneous emission (ASE) under lower optical excitation fluences in the near-IR, in contrast to equivalent flat NC films prepared using the same colloidal ink. This improvement is attributed to the enhanced multi-photon absorption caused by light trapping in the photonic crystal. |
| 456. | Gramlich, Moritz; Bohn, Bernhard J; Tong, Yu; Polavarapu, Lakshminarayana; Feldmann, Jochen; Urban, Alexander S: Thickness-Dependence of Exciton–Exciton Annihilation in Halide Perovskite Nanoplatelets. In: The Journal of Physical Chemistry Letters, 11 (13), pp. 5361-5366, 2020, (PMID: 32536167). (Type: Journal Article | Abstract | Links | BibTeX) @article{Gramlich2020, title = {Thickness-Dependence of Exciton–Exciton Annihilation in Halide Perovskite Nanoplatelets}, author = {Moritz Gramlich and Bernhard J Bohn and Yu Tong and Lakshminarayana Polavarapu and Jochen Feldmann and Alexander S Urban}, url = {https://doi.org/10.1021/acs.jpclett.0c01291}, doi = {10.1021/acs.jpclett.0c01291}, year = {2020}, date = {2020-01-01}, journal = {The Journal of Physical Chemistry Letters}, volume = {11}, number = {13}, pages = {5361-5366}, abstract = {Exciton–exciton annihilation (EEA) and Auger recombination are detrimental processes occurring in semiconductor optoelectronic devices at high carrier densities. Despite constituting one of the main obstacles for realizing lasing in semiconductor nanocrystals (NCs), the dependencies on NC size are not fully understood, especially for those with both weakly and strongly confined dimensions. Here, we use differential transmission spectroscopy to investigate the dependence of EEA on the physical dimensions of thickness-controlled 2D halide perovskite nanoplatelets (NPls). We find the EEA lifetimes to be extremely short on the order of 7–60 ps. Moreover, they are strongly determined by the NPl thickness with a power law dependence according to τ2 ∝ d5.3. Additional measurements show that the EEA lifetimes also increase for NPls with larger lateral dimensions. These results show that a precise control of the physical dimensions is critical for deciphering the fundamental laws governing the process especially in 1D and 2D NCs.}, note = {PMID: 32536167}, keywords = {}, pubstate = {published}, tppubtype = {article} } Exciton–exciton annihilation (EEA) and Auger recombination are detrimental processes occurring in semiconductor optoelectronic devices at high carrier densities. Despite constituting one of the main obstacles for realizing lasing in semiconductor nanocrystals (NCs), the dependencies on NC size are not fully understood, especially for those with both weakly and strongly confined dimensions. Here, we use differential transmission spectroscopy to investigate the dependence of EEA on the physical dimensions of thickness-controlled 2D halide perovskite nanoplatelets (NPls). We find the EEA lifetimes to be extremely short on the order of 7–60 ps. Moreover, they are strongly determined by the NPl thickness with a power law dependence according to τ2 ∝ d5.3. Additional measurements show that the EEA lifetimes also increase for NPls with larger lateral dimensions. These results show that a precise control of the physical dimensions is critical for deciphering the fundamental laws governing the process especially in 1D and 2D NCs. |
| 457. | Strohmair, Simone; Dey, Amrita; Tong, Yu; Polavarapu, Lakshminarayana; Bohn, Bernhard J; Feldmann, Jochen: Spin Polarization Dynamics of Free Charge Carriers in CsPbI3 Nanocrystals. In: Nano Letters, 20 (7), pp. 4724-4730, 2020, (PMID: 32453960). (Type: Journal Article | Abstract | Links | BibTeX) @article{Strohmair2020, title = {Spin Polarization Dynamics of Free Charge Carriers in CsPbI3 Nanocrystals}, author = {Simone Strohmair and Amrita Dey and Yu Tong and Lakshminarayana Polavarapu and Bernhard J Bohn and Jochen Feldmann}, url = {https://doi.org/10.1021/acs.nanolett.9b05325}, doi = {10.1021/acs.nanolett.9b05325}, year = {2020}, date = {2020-01-01}, journal = {Nano Letters}, volume = {20}, number = {7}, pages = {4724-4730}, abstract = {Lead halide perovskites (LHPs) exhibit large spin–orbit coupling (SOC), leading to only twofold-degenerate valence and conduction bands and therefore allowing for efficient optical orientation. This makes them ideal materials to study charge carrier spins. With this study we elucidate the spin dynamics of photoexcited charge carriers and the underlying spin relaxation mechanisms in CsPbI3 nanocrystals by employing time-resolved differential transmission spectroscopy (DTS). We find that the photoinduced spin polarization significantly diminishes during thermalization and cooling toward the energetically favorable band edge. Temperature-dependent DTS reveals a decay in spin polarization that is more than 1 order of magnitude faster at room temperature (3 ps) than at cryogenic temperatures (32 ps). We propose that spin relaxation of free charge carriers in large-SOC materials like LHPs occurs as a result of carrier–phonon scattering, as described by the Elliott–Yafet mechanism.}, note = {PMID: 32453960}, keywords = {}, pubstate = {published}, tppubtype = {article} } Lead halide perovskites (LHPs) exhibit large spin–orbit coupling (SOC), leading to only twofold-degenerate valence and conduction bands and therefore allowing for efficient optical orientation. This makes them ideal materials to study charge carrier spins. With this study we elucidate the spin dynamics of photoexcited charge carriers and the underlying spin relaxation mechanisms in CsPbI3 nanocrystals by employing time-resolved differential transmission spectroscopy (DTS). We find that the photoinduced spin polarization significantly diminishes during thermalization and cooling toward the energetically favorable band edge. Temperature-dependent DTS reveals a decay in spin polarization that is more than 1 order of magnitude faster at room temperature (3 ps) than at cryogenic temperatures (32 ps). We propose that spin relaxation of free charge carriers in large-SOC materials like LHPs occurs as a result of carrier–phonon scattering, as described by the Elliott–Yafet mechanism. |
| 458. | Dey, Amrita; Richter, Alexander F; Debnath, Tushar; Huang, He; Polavarapu, Lakshminarayana; Feldmann, Jochen: Transfer of Direct to Indirect Bound Excitons by Electron Intervalley Scattering in Cs2AgBiBr6 Double Perovskite Nanocrystals. In: ACS Nano, 14 (5), pp. 5855-5861, 2020, (PMID: 32298081). (Type: Journal Article | Abstract | Links | BibTeX) @article{Dey2020, title = {Transfer of Direct to Indirect Bound Excitons by Electron Intervalley Scattering in Cs2AgBiBr6 Double Perovskite Nanocrystals}, author = {Amrita Dey and Alexander F Richter and Tushar Debnath and He Huang and Lakshminarayana Polavarapu and Jochen Feldmann}, url = {https://doi.org/10.1021/acsnano.0c00997}, doi = {10.1021/acsnano.0c00997}, year = {2020}, date = {2020-01-01}, journal = {ACS Nano}, volume = {14}, number = {5}, pages = {5855-5861}, abstract = {Lead-free halide double perovskites have emerged as a nontoxic alternative to the heavily researched lead-based halide perovskites. However, their optical properties and the initial charge carrier relaxation processes are under debate. In this study, we apply time-resolved photoluminescence and differential transmission spectroscopy to investigate the photoexcited charge carrier dynamics within the indirect band structure of Cs2AgBiBr6 nanocrystals. Interestingly, we observe a high energetic emission stemming from the direct band gap, besides the previously reported emission from the indirect band gap transition. We attribute this emission to the radiative recombination of direct bound excitons. This emission maximum redshifts nearly 1 eV within 10 ps due to electron intervalley scattering, which leads to a transfer of direct to indirect bound excitons. We conclude that these direct bound excitons possess a giant oscillator strength causing not only a pronounced absorption peak at the optical band gap energy but also luminescence to occur at the direct band gap transition in spite of the prevailing intervalley scattering process. These results expand the understanding of the optical properties and the charge carrier relaxation in double perovskites, thus, facilitating the further development of optoelectronic devices harnessing lead-free perovskites.}, note = {PMID: 32298081}, keywords = {}, pubstate = {published}, tppubtype = {article} } Lead-free halide double perovskites have emerged as a nontoxic alternative to the heavily researched lead-based halide perovskites. However, their optical properties and the initial charge carrier relaxation processes are under debate. In this study, we apply time-resolved photoluminescence and differential transmission spectroscopy to investigate the photoexcited charge carrier dynamics within the indirect band structure of Cs2AgBiBr6 nanocrystals. Interestingly, we observe a high energetic emission stemming from the direct band gap, besides the previously reported emission from the indirect band gap transition. We attribute this emission to the radiative recombination of direct bound excitons. This emission maximum redshifts nearly 1 eV within 10 ps due to electron intervalley scattering, which leads to a transfer of direct to indirect bound excitons. We conclude that these direct bound excitons possess a giant oscillator strength causing not only a pronounced absorption peak at the optical band gap energy but also luminescence to occur at the direct band gap transition in spite of the prevailing intervalley scattering process. These results expand the understanding of the optical properties and the charge carrier relaxation in double perovskites, thus, facilitating the further development of optoelectronic devices harnessing lead-free perovskites. |
| 459. | Paul, Sharmistha; Bladt, Eva; Richter, Alexander F; Döblinger, Markus; Tong, Yu; Huang, He; Dey, Amrita; Bals, Sara; Debnath, Tushar; Polavarapu, Lakshminarayana; Feldmann, Jochen: Manganese-Doping-Induced Quantum Confinement within Host Perovskite Nanocrystals through Ruddlesden–Popper Defects. In: Angewandte Chemie International Edition, 59 (17), pp. 6794-6799, 2020. (Type: Journal Article | Abstract | Links | BibTeX) @article{Paul2020, title = {Manganese-Doping-Induced Quantum Confinement within Host Perovskite Nanocrystals through Ruddlesden–Popper Defects}, author = {Sharmistha Paul and Eva Bladt and Alexander F Richter and Markus Döblinger and Yu Tong and He Huang and Amrita Dey and Sara Bals and Tushar Debnath and Lakshminarayana Polavarapu and Jochen Feldmann}, url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.201914473}, doi = {https://doi.org/10.1002/anie.201914473}, year = {2020}, date = {2020-01-01}, journal = {Angewandte Chemie International Edition}, volume = {59}, number = {17}, pages = {6794-6799}, abstract = {Abstract The concept of doping Mn2+ ions into II–VI semiconductor nanocrystals (NCs) was recently extended to perovskite NCs. To date, most studies on Mn2+ doped NCs focus on enhancing the emission related to the Mn2+ dopant via an energy transfer mechanism. Herein, we found that the doping of Mn2+ ions into CsPbCl3 NCs not only results in a Mn2+-related orange emission, but also strongly influences the excitonic properties of the host NCs. We observe for the first time that Mn2+ doping leads to the formation of Ruddlesden–Popper (R.P.) defects and thus induces quantum confinement within the host NCs. We find that a slight doping with Mn2+ ions improves the size distribution of the NCs, which results in a prominent excitonic peak. However, with increasing the Mn2+ concentration, the number of R.P. planes increases leading to smaller single-crystal domains. The thus enhanced confinement and crystal inhomogeneity cause a gradual blue shift and broadening of the excitonic transition, respectively.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Abstract The concept of doping Mn2+ ions into II–VI semiconductor nanocrystals (NCs) was recently extended to perovskite NCs. To date, most studies on Mn2+ doped NCs focus on enhancing the emission related to the Mn2+ dopant via an energy transfer mechanism. Herein, we found that the doping of Mn2+ ions into CsPbCl3 NCs not only results in a Mn2+-related orange emission, but also strongly influences the excitonic properties of the host NCs. We observe for the first time that Mn2+ doping leads to the formation of Ruddlesden–Popper (R.P.) defects and thus induces quantum confinement within the host NCs. We find that a slight doping with Mn2+ ions improves the size distribution of the NCs, which results in a prominent excitonic peak. However, with increasing the Mn2+ concentration, the number of R.P. planes increases leading to smaller single-crystal domains. The thus enhanced confinement and crystal inhomogeneity cause a gradual blue shift and broadening of the excitonic transition, respectively. |
| 460. | Huang, He; Wu, Linzhong; Wang, Yiou; Richter, Alexander F; Döblinger, Markus; Feldmann, Jochen: Facile Synthesis of FAPbI3 Nanorods. In: Nanomaterials, 10 (1), 2020, ISSN: 2079-4991. (Type: Journal Article | Abstract | Links | BibTeX) @article{Huang2020a, title = {Facile Synthesis of FAPbI3 Nanorods}, author = {He Huang and Linzhong Wu and Yiou Wang and Alexander F Richter and Markus Döblinger and Jochen Feldmann}, url = {https://www.mdpi.com/2079-4991/10/1/72}, doi = {10.3390/nano10010072}, issn = {2079-4991}, year = {2020}, date = {2020-01-01}, journal = {Nanomaterials}, volume = {10}, number = {1}, abstract = {Metal halide perovskites are promising materials for a range of applications. The synthesis of light-emitting perovskite nanorods has become popular recently. Thus far, the facile synthesis of perovskite nanorods remains elusive. In this work, we have developed a facile synthesis to fabricate FAPbI3 nanorods for the first time, demonstrating a high photoluminescence quantum yield of 35–42%. The fabrication of the nanorods has been made possible by carefully tuning the concentration of formamidine-oleate as well as the amount of oleic acid with pre-dissolved PbI2 in toluene with oleic acid/oleylamine.}, keywords = {}, pubstate = {published}, tppubtype = {article} } Metal halide perovskites are promising materials for a range of applications. The synthesis of light-emitting perovskite nanorods has become popular recently. Thus far, the facile synthesis of perovskite nanorods remains elusive. In this work, we have developed a facile synthesis to fabricate FAPbI3 nanorods for the first time, demonstrating a high photoluminescence quantum yield of 35–42%. The fabrication of the nanorods has been made possible by carefully tuning the concentration of formamidine-oleate as well as the amount of oleic acid with pre-dissolved PbI2 in toluene with oleic acid/oleylamine. |
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Fu, Ming; Ehrat, Florian; Wang, Yu; Milowska, Karolina Z; Reckmeier, Claas; Rogach, Andrey L; Stolarczyk, Jacek K; Urban, Alexander S; Feldmann, Jochen Carbon Dots: A Unique Fluorescent Cocktail of Polycyclic Aromatic Hydrocarbons Journal Article NANO LETTERS, 15 (9), pp. 6030-6035, 2015, ISSN: 1530-6984. @article{ISI:000361252700056b, title = {Carbon Dots: A Unique Fluorescent Cocktail of Polycyclic Aromatic Hydrocarbons}, author = {Ming Fu and Florian Ehrat and Yu Wang and Karolina Z Milowska and Claas Reckmeier and Andrey L Rogach and Jacek K Stolarczyk and Alexander S Urban and Jochen Feldmann}, doi = {10.1021/acs.nanolett.5b02215}, issn = {1530-6984}, year = {2015}, date = {2015-09-01}, journal = {NANO LETTERS}, volume = {15}, number = {9}, pages = {6030-6035}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Klotzbach, Stefanie; Beuerle, Florian Shape-Controlled Synthesis and Self-Sorting of Covalent Organic Cage Compounds Journal Article ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 54 (35), pp. 10356-10360, 2015, ISSN: 1433-7851. @article{ISI:000360216800056b, title = {Shape-Controlled Synthesis and Self-Sorting of Covalent Organic Cage Compounds}, author = {Stefanie Klotzbach and Florian Beuerle}, doi = {10.1002/anie.201502983}, issn = {1433-7851}, year = {2015}, date = {2015-08-01}, journal = {ANGEWANDTE CHEMIE-INTERNATIONAL EDITION}, volume = {54}, number = {35}, pages = {10356-10360}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Skoromets, V; Nemec, H; Kopecek, J; Kuzel, P; Peters, K; Fattakhova-Rohlfing, D; Vetushka, A; Mueller, M; Ganzerova, K; Fejfar, A Conductivity Mechanisms in Sb-Doped SnO2 Nanoparticle Assemblies: DC and Terahertz Regime Journal Article JOURNAL OF PHYSICAL CHEMISTRY C, 119 (33), pp. 19485-19495, 2015, ISSN: 1932-7447. @article{ISI:000360026200074b, title = {Conductivity Mechanisms in Sb-Doped SnO2 Nanoparticle Assemblies: DC and Terahertz Regime}, author = {V Skoromets and H Nemec and J Kopecek and P Kuzel and K Peters and D Fattakhova-Rohlfing and A Vetushka and M Mueller and K Ganzerova and A Fejfar}, doi = {10.1021/acs.jpcc.5b05091}, issn = {1932-7447}, year = {2015}, date = {2015-08-01}, journal = {JOURNAL OF PHYSICAL CHEMISTRY C}, volume = {119}, number = {33}, pages = {19485-19495}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Weber, Michael D; Adam, Matthias; Tykwinski, Rik R; Costa, Ruben D Controlling the Chromaticity of Small-Molecule Light-Emitting Electrochemical Cells Based on TIPS-Pentacene Journal Article ADVANCED FUNCTIONAL MATERIALS, 25 (31), pp. 5066-5074, 2015, ISSN: 1616-301X. @article{ISI:000359870900014b, title = {Controlling the Chromaticity of Small-Molecule Light-Emitting Electrochemical Cells Based on TIPS-Pentacene}, author = {Michael D Weber and Matthias Adam and Rik R Tykwinski and Ruben D Costa}, doi = {10.1002/adfm.201501326}, issn = {1616-301X}, year = {2015}, date = {2015-08-01}, journal = {ADVANCED FUNCTIONAL MATERIALS}, volume = {25}, number = {31}, pages = {5066-5074}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Tscheuschner, Steffen; Baessler, Heinz; Huber, Katja; Koehler, Anna A Combined Theoretical and Experimental Study of Dissociation of Charge Transfer States at the Donor-Acceptor Interface of Organic Solar Cells Journal Article JOURNAL OF PHYSICAL CHEMISTRY B, 119 (32), pp. 10359-10371, 2015, ISSN: 1520-6106. @article{ISI:000359683500023b, title = {A Combined Theoretical and Experimental Study of Dissociation of Charge Transfer States at the Donor-Acceptor Interface of Organic Solar Cells}, author = {Steffen Tscheuschner and Heinz Baessler and Katja Huber and Anna Koehler}, doi = {10.1021/acs.jpcb.5b05138}, issn = {1520-6106}, year = {2015}, date = {2015-08-01}, journal = {JOURNAL OF PHYSICAL CHEMISTRY B}, volume = {119}, number = {32}, pages = {10359-10371}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Gasparini, Nicola; Katsouras, Athanasios; Prodromidis, Mamantos I; Avgeropoulos, Apostolos; Baran, Derya; Salvador, Michael; Fladischer, Stefanie; Spiecker, Erdmann; Chochos, Christos L; Ameri, Tayebeh; Brabec, Christoph J Photophysics of Molecular-Weight-Induced Losses in Indacenodithienothiophene-Based Solar Cells Journal Article ADVANCED FUNCTIONAL MATERIALS, 25 (30), pp. 4898-4907, 2015, ISSN: 1616-301X. @article{ISI:000359381300018b, title = {Photophysics of Molecular-Weight-Induced Losses in Indacenodithienothiophene-Based Solar Cells}, author = {Nicola Gasparini and Athanasios Katsouras and Mamantos I Prodromidis and Apostolos Avgeropoulos and Derya Baran and Michael Salvador and Stefanie Fladischer and Erdmann Spiecker and Christos L Chochos and Tayebeh Ameri and Christoph J Brabec}, doi = {10.1002/adfm.201501062}, issn = {1616-301X}, year = {2015}, date = {2015-08-01}, journal = {ADVANCED FUNCTIONAL MATERIALS}, volume = {25}, number = {30}, pages = {4898-4907}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Berger, Daniel; Oberhofer, Harald; Reuter, Karsten First-principles embedded-cluster calculations of the neutral and charged oxygen vacancy at the rutile TiO2(110) surface Journal Article PHYSICAL REVIEW B, 92 (7), 2015, ISSN: 2469-9950. @article{ISI:000359355200003b, title = {First-principles embedded-cluster calculations of the neutral and charged oxygen vacancy at the rutile TiO2(110) surface}, author = {Daniel Berger and Harald Oberhofer and Karsten Reuter}, doi = {10.1103/PhysRevB.92.075308}, issn = {2469-9950}, year = {2015}, date = {2015-08-01}, journal = {PHYSICAL REVIEW B}, volume = {92}, number = {7}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Falco, A; Zaidi, A M; Lugli, P; Abdellah, A Spray deposition of Polyethylenimine thin films for the fabrication of fully-sprayed organic photodiodes Journal Article ORGANIC ELECTRONICS, 23 , pp. 186-192, 2015, ISSN: 1566-1199. @article{ISI:000354575700028b, title = {Spray deposition of Polyethylenimine thin films for the fabrication of fully-sprayed organic photodiodes}, author = {A Falco and A M Zaidi and P Lugli and A Abdellah}, doi = {10.1016/j.orgel.2015.05.003}, issn = {1566-1199}, year = {2015}, date = {2015-08-01}, journal = {ORGANIC ELECTRONICS}, volume = {23}, pages = {186-192}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Heumueller, Thomas; Burke, Timothy M; Mateker, William R; Sachs-Quintana, Isaac T; Vandewal, Koen; Brabec, Christoph J; McGehee, Michael D Disorder-Induced Open-Circuit Voltage Losses in Organic Solar Cells During Photoinduced Burn-In Journal Article ADVANCED ENERGY MATERIALS, 5 (14), 2015, ISSN: 1614-6832. @article{ISI:000358369700002b, title = {Disorder-Induced Open-Circuit Voltage Losses in Organic Solar Cells During Photoinduced Burn-In}, author = {Thomas Heumueller and Timothy M Burke and William R Mateker and Isaac T Sachs-Quintana and Koen Vandewal and Christoph J Brabec and Michael D McGehee}, doi = {10.1002/aenm.201500111}, issn = {1614-6832}, year = {2015}, date = {2015-07-01}, journal = {ADVANCED ENERGY MATERIALS}, volume = {5}, number = {14}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
de Queiroz, Thiago B; Kuemmel, Stephan Tuned range separated hybrid functionals for solvated low bandgap oligomers Journal Article JOURNAL OF CHEMICAL PHYSICS, 143 (3), 2015, ISSN: 0021-9606. @article{ISI:000358429800001b, title = {Tuned range separated hybrid functionals for solvated low bandgap oligomers}, author = {Thiago B de Queiroz and Stephan Kuemmel}, doi = {10.1063/1.4926468}, issn = {0021-9606}, year = {2015}, date = {2015-07-01}, journal = {JOURNAL OF CHEMICAL PHYSICS}, volume = {143}, number = {3}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Cardenas-Daw, Carlos; Groehn, Franziska Photo-Induced Assembly of Nanostructures Triggered by Short-Lived Proton Transfers in the Excited-State Journal Article JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 137 (27), pp. 8660-8663, 2015, ISSN: 0002-7863. @article{ISI:000358186700002b, title = {Photo-Induced Assembly of Nanostructures Triggered by Short-Lived Proton Transfers in the Excited-State}, author = {Carlos Cardenas-Daw and Franziska Groehn}, doi = {10.1021/jacs.5b01357}, issn = {0002-7863}, year = {2015}, date = {2015-07-01}, journal = {JOURNAL OF THE AMERICAN CHEMICAL SOCIETY}, volume = {137}, number = {27}, pages = {8660-8663}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Haedler, Andreas T; Kreger, Klaus; Issac, Abey; Wittmann, Bernd; Kivala, Milan; Hammer, Natalie; Koehler, Juergen; Schmidt, Hans-Werner; Hildner, Richard Long-range energy transport in single supramolecular nanofibres at room temperature Journal Article NATURE, 523 (7559), pp. 196-U127, 2015, ISSN: 0028-0836. @article{ISI:000357695900031b, title = {Long-range energy transport in single supramolecular nanofibres at room temperature}, author = {Andreas T Haedler and Klaus Kreger and Abey Issac and Bernd Wittmann and Milan Kivala and Natalie Hammer and Juergen Koehler and Hans-Werner Schmidt and Richard Hildner}, doi = {10.1038/nature14570}, issn = {0028-0836}, year = {2015}, date = {2015-07-01}, journal = {NATURE}, volume = {523}, number = {7559}, pages = {196-U127}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Fuchs, F; Stender, B; Trupke, M; Simin, D; Pflaum, J; Dyakonov, V; Astakhov, G V Engineering near-infrared single-photon emitters with optically active spins in ultrapure silicon carbide Journal Article NATURE COMMUNICATIONS, 6 , 2015, ISSN: 2041-1723. @article{ISI:000358855300003b, title = {Engineering near-infrared single-photon emitters with optically active spins in ultrapure silicon carbide}, author = {F Fuchs and B Stender and M Trupke and D Simin and J Pflaum and V Dyakonov and G V Astakhov}, doi = {10.1038/ncomms8578}, issn = {2041-1723}, year = {2015}, date = {2015-07-01}, journal = {NATURE COMMUNICATIONS}, volume = {6}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Lambert, Christoph; Koch, Federico; Voelker, Sebastian F; Schmiedel, Alexander; Holzapfel, Marco; Humeniuk, Alexander; Roehr, Merle I S; Mitric, Roland; Brixner, Tobias Energy Transfer Between Squaraine Polymer Sections: From Helix to Zigzag and All the Way Back Journal Article JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 137 (24), pp. 7851-7861, 2015, ISSN: 0002-7863. @article{ISI:000357062000054b, title = {Energy Transfer Between Squaraine Polymer Sections: From Helix to Zigzag and All the Way Back}, author = {Christoph Lambert and Federico Koch and Sebastian F Voelker and Alexander Schmiedel and Marco Holzapfel and Alexander Humeniuk and Merle I S Roehr and Roland Mitric and Tobias Brixner}, doi = {10.1021/jacs.5b03644}, issn = {0002-7863}, year = {2015}, date = {2015-06-01}, journal = {JOURNAL OF THE AMERICAN CHEMICAL SOCIETY}, volume = {137}, number = {24}, pages = {7851-7861}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Minar, Norma K; Hou, Kun; Westermeier, Christian; Doeblinger, Markus; Schuster, Joerg; Hanusch, Fabian C; Nickel, Bert; Ozin, Geoffrey A; Bein, Thomas A Highly-Ordered 3D Covalent Fullerene Framework Journal Article ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 54 (26), pp. 7577-7581, 2015, ISSN: 1433-7851. @article{ISI:000356390900020b, title = {A Highly-Ordered 3D Covalent Fullerene Framework}, author = {Norma K Minar and Kun Hou and Christian Westermeier and Markus Doeblinger and Joerg Schuster and Fabian C Hanusch and Bert Nickel and Geoffrey A Ozin and Thomas Bein}, doi = {10.1002/anie.201411344}, issn = {1433-7851}, year = {2015}, date = {2015-06-01}, journal = {ANGEWANDTE CHEMIE-INTERNATIONAL EDITION}, volume = {54}, number = {26}, pages = {7577-7581}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Margraf, Johannes T; Strauss, Volker; Guldi, Dirk M; Clark, Timothy The Electronic Structure of Amorphous Carbon Nanodots Journal Article JOURNAL OF PHYSICAL CHEMISTRY B, 119 (24), pp. 7258-7265, 2015, ISSN: 1520-6106. @article{ISI:000356754800015b, title = {The Electronic Structure of Amorphous Carbon Nanodots}, author = {Johannes T Margraf and Volker Strauss and Dirk M Guldi and Timothy Clark}, doi = {10.1021/jp510620j}, issn = {1520-6106}, year = {2015}, date = {2015-06-01}, journal = {JOURNAL OF PHYSICAL CHEMISTRY B}, volume = {119}, number = {24}, pages = {7258-7265}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Baumann, Andreas; Vaeth, Stefan; Rieder, Philipp; Heiber, Michael C; Tvingstedt, Kristofer; Dyakonov, Vladimir Identification of Trap States in Perovskite Solar Cells Journal Article JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 6 (12), pp. 2350-2354, 2015, ISSN: 1948-7185. @article{ISI:000356758100034b, title = {Identification of Trap States in Perovskite Solar Cells}, author = {Andreas Baumann and Stefan Vaeth and Philipp Rieder and Michael C Heiber and Kristofer Tvingstedt and Vladimir Dyakonov}, doi = {10.1021/acs.jpclett.5b00953}, issn = {1948-7185}, year = {2015}, date = {2015-06-01}, journal = {JOURNAL OF PHYSICAL CHEMISTRY LETTERS}, volume = {6}, number = {12}, pages = {2350-2354}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Consani, Cristina; Koch, Federico; Panzer, Fabian; Unger, Thomas; Koehler, Anna; Brixner, Tobias Relaxation dynamics and exciton energy transfer in the low-temperature phase of MEH-PPV Journal Article JOURNAL OF CHEMICAL PHYSICS, 142 (21), 2015, ISSN: 0021-9606. @article{ISI:000355931800033b, title = {Relaxation dynamics and exciton energy transfer in the low-temperature phase of MEH-PPV}, author = {Cristina Consani and Federico Koch and Fabian Panzer and Thomas Unger and Anna Koehler and Tobias Brixner}, doi = {10.1063/1.4918645}, issn = {0021-9606}, year = {2015}, date = {2015-06-01}, journal = {JOURNAL OF CHEMICAL PHYSICS}, volume = {142}, number = {21}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Ji, Lei; Lorbach, Andreas; Edkins, Robert M; Marder, Todd B JOURNAL OF ORGANIC CHEMISTRY, 80 (11), pp. 5658-5665, 2015, ISSN: 0022-3263. @article{ISI:000355962300028b, title = {Synthesis and Photophysics of a 2,7-Disubstituted Donor Acceptor Pyrene Derivative: An Example of the Application of Sequential Ir-Catalyzed C-H Borylation and Substitution Chemistry}, author = {Lei Ji and Andreas Lorbach and Robert M Edkins and Todd B Marder}, doi = {10.1021/acs.joc.5b00618}, issn = {0022-3263}, year = {2015}, date = {2015-06-01}, journal = {JOURNAL OF ORGANIC CHEMISTRY}, volume = {80}, number = {11}, pages = {5658-5665}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Ji, Lei; Edkins, Robert M; Lorbach, Andreas; Krummenacher, Ivo; Brueckner, Charlotte; Eichhorn, Antonius; Braunschweig, Holger; Engels, Bernd; Low, Paul J; Marder, Todd B Electron Delocalization in Reduced Forms of 2-(BMes(2))pyrene and 2,7-Bis(BMes(2))pyrene Journal Article JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 137 (21), pp. 6750-6753, 2015, ISSN: 0002-7863. @article{ISI:000355890600007b, title = {Electron Delocalization in Reduced Forms of 2-(BMes(2))pyrene and 2,7-Bis(BMes(2))pyrene}, author = {Lei Ji and Robert M Edkins and Andreas Lorbach and Ivo Krummenacher and Charlotte Brueckner and Antonius Eichhorn and Holger Braunschweig and Bernd Engels and Paul J Low and Todd B Marder}, doi = {10.1021/jacs.5b03805}, issn = {0002-7863}, year = {2015}, date = {2015-06-01}, journal = {JOURNAL OF THE AMERICAN CHEMICAL SOCIETY}, volume = {137}, number = {21}, pages = {6750-6753}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Hunger, Christoph; Rao, K D M; Gupta, Ritu; Singh, Chetan R; Kulkarni, Giridhar U; Thelakkat, Mukundan ENERGY TECHNOLOGY, 3 (6), pp. 638-645, 2015, ISSN: 2194-4288. @article{ISI:000356082700011b, title = {Transparent Metal Network with Low Haze and High Figure of Merit applied to Front and Back Electrodes in Semitransparent ITO-free Polymer Solar Cells}, author = {Christoph Hunger and K D M Rao and Ritu Gupta and Chetan R Singh and Giridhar U Kulkarni and Mukundan Thelakkat}, doi = {10.1002/ente.201500014}, issn = {2194-4288}, year = {2015}, date = {2015-06-01}, journal = {ENERGY TECHNOLOGY}, volume = {3}, number = {6}, pages = {638-645}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Margraf, Johannes T; Hennemann, Matthias; Meyer, Bernd; Clark, Timothy EMPIRE: a highly parallel semiempirical molecular orbital program: 2: periodic boundary conditions Journal Article JOURNAL OF MOLECULAR MODELING, 21 (6), 2015, ISSN: 1610-2940. @article{ISI:000355953200015b, title = {EMPIRE: a highly parallel semiempirical molecular orbital program: 2: periodic boundary conditions}, author = {Johannes T Margraf and Matthias Hennemann and Bernd Meyer and Timothy Clark}, doi = {10.1007/s00894-015-2692-3}, issn = {1610-2940}, year = {2015}, date = {2015-06-01}, journal = {JOURNAL OF MOLECULAR MODELING}, volume = {21}, number = {6}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Aygueler, Meltem F; Weber, Michael D; Puscher, Bianka M D; Medina, Dana D; Docampo, Pablo; Costa, Ruben D Light-Emitting Electrochemical Cells Based on Hybrid Lead Halide Perovskite Nanoparticles Journal Article JOURNAL OF PHYSICAL CHEMISTRY C, 119 (21), pp. 12047-12054, 2015, ISSN: 1932-7447. @article{ISI:000355495600091b, title = {Light-Emitting Electrochemical Cells Based on Hybrid Lead Halide Perovskite Nanoparticles}, author = {Meltem F Aygueler and Michael D Weber and Bianka M D Puscher and Dana D Medina and Pablo Docampo and Ruben D Costa}, doi = {10.1021/acs.jpcc.5b02959}, issn = {1932-7447}, year = {2015}, date = {2015-05-01}, journal = {JOURNAL OF PHYSICAL CHEMISTRY C}, volume = {119}, number = {21}, pages = {12047-12054}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Minar, Norma K; Docampo, Pablo; Fattakhova-Rohlfing, Dina; Bein, Thomas Guided in Situ Polymerization of MEH-PPV in Mesoporous Titania Photoanodes Journal Article ACS APPLIED MATERIALS & INTERFACES, 7 (19), pp. 10356-10364, 2015, ISSN: 1944-8244. @article{ISI:000355055000033b, title = {Guided in Situ Polymerization of MEH-PPV in Mesoporous Titania Photoanodes}, author = {Norma K Minar and Pablo Docampo and Dina Fattakhova-Rohlfing and Thomas Bein}, doi = {10.1021/acsami.5b01262}, issn = {1944-8244}, year = {2015}, date = {2015-05-01}, journal = {ACS APPLIED MATERIALS & INTERFACES}, volume = {7}, number = {19}, pages = {10356-10364}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Mueller, Christian J; Singh, Chetan R; Fried, Martina; Huettner, Sven; Thelakkat, Mukundan High Bulk Electron Mobility Diketopyrrolopyrrole Copolymers with Perfluorothiophene Journal Article ADVANCED FUNCTIONAL MATERIALS, 25 (18), pp. 2725-2736, 2015, ISSN: 1616-301X. @article{ISI:000354365600011b, title = {High Bulk Electron Mobility Diketopyrrolopyrrole Copolymers with Perfluorothiophene}, author = {Christian J Mueller and Chetan R Singh and Martina Fried and Sven Huettner and Mukundan Thelakkat}, doi = {10.1002/adfm.201404540}, issn = {1616-301X}, year = {2015}, date = {2015-05-01}, journal = {ADVANCED FUNCTIONAL MATERIALS}, volume = {25}, number = {18}, pages = {2725-2736}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Leguy, Aurelien M A; Hu, Yinghong; Campoy-Quiles, Mariano; Alonso, Isabel M; Weber, Oliver J; Azarhoosh, Pooya; van Schilfgaarde, Mark; Weller, Mark T; Bein, Thomas; Nelson, Jenny; Docampo, Pablo; Barnes, Piers R F Reversible Hydration of CH(3)NH(3)Pbl(3) in Films, Single Crystals, and Solar Cells Journal Article CHEMISTRY OF MATERIALS, 27 (9), pp. 3397-3407, 2015, ISSN: 0897-4756. @article{ISI:000354578600029b, title = {Reversible Hydration of CH(3)NH(3)Pbl(3) in Films, Single Crystals, and Solar Cells}, author = {Aurelien M A Leguy and Yinghong Hu and Mariano Campoy-Quiles and Isabel M Alonso and Oliver J Weber and Pooya Azarhoosh and Mark van Schilfgaarde and Mark T Weller and Thomas Bein and Jenny Nelson and Pablo Docampo and Piers R F Barnes}, doi = {10.1021/acs.chemmater.5b00660}, issn = {0897-4756}, year = {2015}, date = {2015-05-01}, journal = {CHEMISTRY OF MATERIALS}, volume = {27}, number = {9}, pages = {3397-3407}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Fominykh, Ksenia; Chernev, Petko; Zaharieva, Ivelina; Sicklinger, Johannes; Stefanic, Goran; Doeblinger, Markus; Mueller, Alexander; Pokharel, Aneil; Boecklein, Sebastian; Scheu, Christina; Bein, Thomas; Fattakhova-Rohlfing, Dina Iron-Doped Nickel Oxide Nanocrystals as Highly Efficient Electrocatalysts for Alkaline Water Splitting Journal Article ACS NANO, 9 (5), pp. 5180-5188, 2015, ISSN: 1936-0851. @article{ISI:000355383000053b, title = {Iron-Doped Nickel Oxide Nanocrystals as Highly Efficient Electrocatalysts for Alkaline Water Splitting}, author = {Ksenia Fominykh and Petko Chernev and Ivelina Zaharieva and Johannes Sicklinger and Goran Stefanic and Markus Doeblinger and Alexander Mueller and Aneil Pokharel and Sebastian Boecklein and Christina Scheu and Thomas Bein and Dina Fattakhova-Rohlfing}, doi = {10.1021/acsnano.5b00520}, issn = {1936-0851}, year = {2015}, date = {2015-05-01}, journal = {ACS NANO}, volume = {9}, number = {5}, pages = {5180-5188}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Lourenco, Leandro M O; Hausmann, Anita; Schubert, Christina; Neves, Maria G P M S; Cavaleiro, Jose A S; Torres, Tomas; Guldi, Dirk M; Tome, Joao P C Noncovalent Functionalization of Thiopyridyl Porphyrins with Ruthenium Phthalocyanines Journal Article CHEMPLUSCHEM, 80 (5), pp. 832-838, 2015, ISSN: 2192-6506. @article{ISI:000353961800008b, title = {Noncovalent Functionalization of Thiopyridyl Porphyrins with Ruthenium Phthalocyanines}, author = {Leandro M O Lourenco and Anita Hausmann and Christina Schubert and Maria G P M S Neves and Jose A S Cavaleiro and Tomas Torres and Dirk M Guldi and Joao P C Tome}, doi = {10.1002/cplu.201500005}, issn = {2192-6506}, year = {2015}, date = {2015-05-01}, journal = {CHEMPLUSCHEM}, volume = {80}, number = {5}, pages = {832-838}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Goswami, Monalisa; Lyaskovskyy, Volodymyr; Domingos, Sergio R; Buma, Wybren Jan; Woutersen, Sander; Troeppner, Oliver; Ivanovic-Burmazovic, Ivana; Lu, Hongjian; Cui, Xin; Zhang, Peter X; Reijerse, Edward J; DeBeer, Serena; van Schooneveld, Matti M; Pfaff, Florian Felix; Ray, Kallol; de Bruin, Bas Characterization of Porphyrin-Co(III)-'Nitrene Radical' Species Relevant in Catalytic Nitrene Transfer Reactions Journal Article JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 137 (16), pp. 5468-5479, 2015, ISSN: 0002-7863. @article{ISI:000353931500039b, title = {Characterization of Porphyrin-Co(III)-'Nitrene Radical' Species Relevant in Catalytic Nitrene Transfer Reactions}, author = {Monalisa Goswami and Volodymyr Lyaskovskyy and Sergio R Domingos and Wybren Jan Buma and Sander Woutersen and Oliver Troeppner and Ivana Ivanovic-Burmazovic and Hongjian Lu and Xin Cui and Peter X Zhang and Edward J Reijerse and Serena DeBeer and Matti M van Schooneveld and Florian Felix Pfaff and Kallol Ray and Bas de Bruin}, doi = {10.1021/jacs.5b01197}, issn = {0002-7863}, year = {2015}, date = {2015-04-01}, journal = {JOURNAL OF THE AMERICAN CHEMICAL SOCIETY}, volume = {137}, number = {16}, pages = {5468-5479}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Wang, Weijia; Ruderer, Matthias A; Metwalli, Ezzeldin; Guo, Shuai; Herzig, Eva M; Perlich, Jan; Mueller-Buschbaum, Peter Effect of Methanol Addition on the Resistivity and Morphology of PEDOT:PSS Layers on Top of Carbon Nanotubes for Use as Flexible Electrodes Journal Article ACS APPLIED MATERIALS & INTERFACES, 7 (16), pp. 8789-8797, 2015, ISSN: 1944-8244. @article{ISI:000353931300050b, title = {Effect of Methanol Addition on the Resistivity and Morphology of PEDOT:PSS Layers on Top of Carbon Nanotubes for Use as Flexible Electrodes}, author = {Weijia Wang and Matthias A Ruderer and Ezzeldin Metwalli and Shuai Guo and Eva M Herzig and Jan Perlich and Peter Mueller-Buschbaum}, doi = {10.1021/acsami.5b01327}, issn = {1944-8244}, year = {2015}, date = {2015-04-01}, journal = {ACS APPLIED MATERIALS & INTERFACES}, volume = {7}, number = {16}, pages = {8789-8797}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Zirzlmeier, Johannes; Lehnherr, Dan; Coto, Pedro B; Chernick, Erin T; Casillas, Ruben; Basel, Bettina S; Thoss, Michael; Tykwinski, Rik R; Guldi, Dirk M Singlet fission in pentacene dimers Journal Article PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 112 (17), pp. 5325-5330, 2015, ISSN: 0027-8424. @article{ISI:000353554000038b, title = {Singlet fission in pentacene dimers}, author = {Johannes Zirzlmeier and Dan Lehnherr and Pedro B Coto and Erin T Chernick and Ruben Casillas and Bettina S Basel and Michael Thoss and Rik R Tykwinski and Dirk M Guldi}, doi = {10.1073/pnas.1422436112}, issn = {0027-8424}, year = {2015}, date = {2015-04-01}, journal = {PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA}, volume = {112}, number = {17}, pages = {5325-5330}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Machui, Florian; Maisch, Philipp; Burgues-Ceballos, Ignasi; Langner, Stefan; Krantz, Johannes; Ameri, Tayebeh; Brabec, Christoph J Classification of Additives for Organic Photovoltaic Devices Journal Article CHEMPHYSCHEM, 16 (6, SI), pp. 1275-1280, 2015, ISSN: 1439-4235. @article{ISI:000353294500019b, title = {Classification of Additives for Organic Photovoltaic Devices}, author = {Florian Machui and Philipp Maisch and Ignasi Burgues-Ceballos and Stefan Langner and Johannes Krantz and Tayebeh Ameri and Christoph J Brabec}, doi = {10.1002/cphc.201402734}, issn = {1439-4235}, year = {2015}, date = {2015-04-01}, journal = {CHEMPHYSCHEM}, volume = {16}, number = {6, SI}, pages = {1275-1280}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Azimi, Hamed; Ameri, Tayebeh; Zhang, Hong; Hou, Yi; Quiroz, Cesar Omar Ramirez; Min, Jie; Hu, Mengyao; Zhang, Zhi-Guo; Przybilla, Thomas; Matt, Gebhard J; Spiecker, Erdmann; Li, Yongfang; Brabec, Christoph J ADVANCED ENERGY MATERIALS, 5 (8), 2015, ISSN: 1614-6832. @article{ISI:000353357600018b, title = {A Universal Interface Layer Based on an Amine-Functionalized Fullerene Derivative with Dual Functionality for Efficient Solution Processed Organic and Perovskite Solar Cells}, author = {Hamed Azimi and Tayebeh Ameri and Hong Zhang and Yi Hou and Cesar Omar Ramirez Quiroz and Jie Min and Mengyao Hu and Zhi-Guo Zhang and Thomas Przybilla and Gebhard J Matt and Erdmann Spiecker and Yongfang Li and Christoph J Brabec}, doi = {10.1002/aenm.201401692}, issn = {1614-6832}, year = {2015}, date = {2015-04-01}, journal = {ADVANCED ENERGY MATERIALS}, volume = {5}, number = {8}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Gonzalez, Daniel Mosegui; Koerstgens, Volker; Yao, Yuan; Song, Lin; Santoro, Gonzalo; Roth, Stephan V; Mueller-Buschbaum, Peter Improved Power Conversion Efficiency of P3HT:PCBM Organic Solar Cells by Strong Spin-Orbit Coupling-Induced Delayed Fluorescence Journal Article Advanced Energy Materials, 5 (8), 2015, ISSN: 1614-6832. @article{ISI:000353357600002b, title = {Improved Power Conversion Efficiency of P3HT:PCBM Organic Solar Cells by Strong Spin-Orbit Coupling-Induced Delayed Fluorescence}, author = {Daniel Mosegui Gonzalez and Volker Koerstgens and Yuan Yao and Lin Song and Gonzalo Santoro and Stephan V Roth and Peter Mueller-Buschbaum}, doi = {10.1002/aenm.201401770}, issn = {1614-6832}, year = {2015}, date = {2015-04-01}, journal = {Advanced Energy Materials}, volume = {5}, number = {8}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Lederer, Marcus; Hahn, Uwe; Fernandez-Ariza, Javier; Trukhina, Olga; Rodriguez-Morgade, Salome M; Dammann, Claudia; Drewello, Thomas; Torres, Tomas; Guldi, Dirk M Tuning Electron Donor-Acceptor Hybrids by Alkali Metal Complexation Journal Article CHEMISTRY-A EUROPEAN JOURNAL, 21 (15), pp. 5916-5925, 2015, ISSN: 0947-6539. @article{ISI:000352506500035b, title = {Tuning Electron Donor-Acceptor Hybrids by Alkali Metal Complexation}, author = {Marcus Lederer and Uwe Hahn and Javier Fernandez-Ariza and Olga Trukhina and Salome M Rodriguez-Morgade and Claudia Dammann and Thomas Drewello and Tomas Torres and Dirk M Guldi}, doi = {10.1002/chem.201405643}, issn = {0947-6539}, year = {2015}, date = {2015-04-01}, journal = {CHEMISTRY-A EUROPEAN JOURNAL}, volume = {21}, number = {15}, pages = {5916-5925}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Binek, Andreas; Hanusch, Fabian C; Docampo, Pablo; Bein, Thomas Stabilization of the Trigonal High-Temperature Phase of Formamidinium Lead Iodide Journal Article JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 6 (7), pp. 1249-1253, 2015, ISSN: 1948-7185. @article{ISI:000352331400027b, title = {Stabilization of the Trigonal High-Temperature Phase of Formamidinium Lead Iodide}, author = {Andreas Binek and Fabian C Hanusch and Pablo Docampo and Thomas Bein}, doi = {10.1021/acs.jpclett.5b00380}, issn = {1948-7185}, year = {2015}, date = {2015-04-01}, journal = {JOURNAL OF PHYSICAL CHEMISTRY LETTERS}, volume = {6}, number = {7}, pages = {1249-1253}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Schlipf, Johannes; Docampo, Pablo; Schaffer, Christoph J; Koerstgens, Volker; Biessmann, Lorenz; Hanusch, Fabian; Giesbrecht, Nadja; Bernstorff, Sigrid; Bein, Thomas; Mueller-Buschbaum, Peter A Closer Look into Two-Step Perovskite Conversion with X-ray Scattering Journal Article JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 6 (7), pp. 1265-1269, 2015, ISSN: 1948-7185. @article{ISI:000352331400030b, title = {A Closer Look into Two-Step Perovskite Conversion with X-ray Scattering}, author = {Johannes Schlipf and Pablo Docampo and Christoph J Schaffer and Volker Koerstgens and Lorenz Biessmann and Fabian Hanusch and Nadja Giesbrecht and Sigrid Bernstorff and Thomas Bein and Peter Mueller-Buschbaum}, doi = {10.1021/acs.jpclett.5b00329}, issn = {1948-7185}, year = {2015}, date = {2015-04-01}, journal = {JOURNAL OF PHYSICAL CHEMISTRY LETTERS}, volume = {6}, number = {7}, pages = {1265-1269}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Unger, Thomas; Panzer, Fabian; Consani, Cristina; Koch, Federico; Brixner, Tobias; Baessler, Heinz; Koehler, Anna Ultrafast Energy Transfer between Disordered and Highly Planarized Chains of Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) Journal Article ACS MACRO LETTERS, 4 (4), pp. 412-416, 2015, ISSN: 2161-1653. @article{ISI:000353437000016b, title = {Ultrafast Energy Transfer between Disordered and Highly Planarized Chains of Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV)}, author = {Thomas Unger and Fabian Panzer and Cristina Consani and Federico Koch and Tobias Brixner and Heinz Baessler and Anna Koehler}, doi = {10.1021/acsmacrolett.5b00133}, issn = {2161-1653}, year = {2015}, date = {2015-04-01}, journal = {ACS MACRO LETTERS}, volume = {4}, number = {4}, pages = {412-416}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Sarauli, David; Wettstein, Christoph; Peters, Kristina; Schulz, Burkhard; Fattakhova-Rohlfing, Dina; Lisdat, Fred Interaction of Fructose Dehydrogenase with a Sulfonated Polyaniline: Application for Enhanced Bioelectrocatalysis Journal Article ACS CATALYSIS, 5 (4), pp. 2081-2087, 2015, ISSN: 2155-5435. @article{ISI:000352464400008b, title = {Interaction of Fructose Dehydrogenase with a Sulfonated Polyaniline: Application for Enhanced Bioelectrocatalysis}, author = {David Sarauli and Christoph Wettstein and Kristina Peters and Burkhard Schulz and Dina Fattakhova-Rohlfing and Fred Lisdat}, doi = {10.1021/acscatal.5b00136}, issn = {2155-5435}, year = {2015}, date = {2015-04-01}, journal = {ACS CATALYSIS}, volume = {5}, number = {4}, pages = {2081-2087}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Niedzialek, Dorota; Duchemin, Ivan; de Queiroz, Thiago Branquinho; Osella, Silvio; Rao, Akshay; Friend, Richard; Blase, Xavier; Kuemmel, Stephan; Beljonne, David First Principles Calculations of Charge Transfer Excitations in Polymer-Fullerene Complexes: Influence of Excess Energy Journal Article ADVANCED FUNCTIONAL MATERIALS, 25 (13, SI), pp. 1972-1984, 2015, ISSN: 1616-301X. @article{ISI:000352561800005b, title = {First Principles Calculations of Charge Transfer Excitations in Polymer-Fullerene Complexes: Influence of Excess Energy}, author = {Dorota Niedzialek and Ivan Duchemin and Thiago Branquinho de Queiroz and Silvio Osella and Akshay Rao and Richard Friend and Xavier Blase and Stephan Kuemmel and David Beljonne}, doi = {10.1002/adfm.201402682}, issn = {1616-301X}, year = {2015}, date = {2015-04-01}, journal = {ADVANCED FUNCTIONAL MATERIALS}, volume = {25}, number = {13, SI}, pages = {1972-1984}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Bissinger, Philipp; Steffen, Andreas; Vargas, Alfredo; Dewhurst, Rian D; Damme, Alexander; Braunschweig, Holger Unexpected Luminescence Behavior of Coinage Metal pi-Diborene Complexes Journal Article ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 54 (14), pp. 4362-4366, 2015, ISSN: 1433-7851. @article{ISI:000351679600040b, title = {Unexpected Luminescence Behavior of Coinage Metal pi-Diborene Complexes}, author = {Philipp Bissinger and Andreas Steffen and Alfredo Vargas and Rian D Dewhurst and Alexander Damme and Holger Braunschweig}, doi = {10.1002/anie.201408993}, issn = {1433-7851}, year = {2015}, date = {2015-03-01}, journal = {ANGEWANDTE CHEMIE-INTERNATIONAL EDITION}, volume = {54}, number = {14}, pages = {4362-4366}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Panzer, Fabian; Sommer, Michael; Baessler, Heinz; Thelakkat, Mukundan; Koehler, Anna Spectroscopic Signature of Two Distinct H-Aggregate Species in Poly(3-hexylthiophene) Journal Article MACROMOLECULES, 48 (5), pp. 1543-1553, 2015, ISSN: 0024-9297. @article{ISI:000350918700034b, title = {Spectroscopic Signature of Two Distinct H-Aggregate Species in Poly(3-hexylthiophene)}, author = {Fabian Panzer and Michael Sommer and Heinz Baessler and Mukundan Thelakkat and Anna Koehler}, doi = {10.1021/acs.macromol.5b00129}, issn = {0024-9297}, year = {2015}, date = {2015-03-01}, journal = {MACROMOLECULES}, volume = {48}, number = {5}, pages = {1543-1553}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Kondofersky, Ilina; Dunn, Halina K; Mueller, Alexander; Mandlmeier, Benjamin; Feckl, Johann M; Fattakhova-Rohlfing, Dina; Scheu, Christina; Peter, Laurence M; Bein, Thomas Electron Collection in Host-Guest Nanostructured Hematite Photoanodes for Water Splitting: The Influence of Scaffold Doping Density Journal Article ACS APPLIED MATERIALS & INTERFACES, 7 (8), pp. 4623-4630, 2015, ISSN: 1944-8244. @article{ISI:000353005300022b, title = {Electron Collection in Host-Guest Nanostructured Hematite Photoanodes for Water Splitting: The Influence of Scaffold Doping Density}, author = {Ilina Kondofersky and Halina K Dunn and Alexander Mueller and Benjamin Mandlmeier and Johann M Feckl and Dina Fattakhova-Rohlfing and Christina Scheu and Laurence M Peter and Thomas Bein}, doi = {10.1021/am5078667}, issn = {1944-8244}, year = {2015}, date = {2015-03-01}, journal = {ACS APPLIED MATERIALS & INTERFACES}, volume = {7}, number = {8}, pages = {4623-4630}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Azimi, Hamed; Kuhri, Susanne; Stahl, Melissa S; Hou, Yi; Guldi, Dirk M; Brabec, Christoph J Elucidating the Excited-State Properties of CuInS2 Nanocrystals upon Phase Transformation: Quasi-Quantum Dots Versus Bulk Behavior Journal Article ADVANCED ELECTRONIC MATERIALS, 1 (3), 2015, ISSN: 2199-160X. @article{ISI:000357653900009b, title = {Elucidating the Excited-State Properties of CuInS2 Nanocrystals upon Phase Transformation: Quasi-Quantum Dots Versus Bulk Behavior}, author = {Hamed Azimi and Susanne Kuhri and Melissa S Stahl and Yi Hou and Dirk M Guldi and Christoph J Brabec}, doi = {10.1002/aelm.201500040}, issn = {2199-160X}, year = {2015}, date = {2015-03-01}, journal = {ADVANCED ELECTRONIC MATERIALS}, volume = {1}, number = {3}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Hahn, Tobias; Geiger, Johannes; Blase, Xavier; Duchemin, Ivan; Niedzialek, Dorota; Tscheuschner, Steffen; Beljonne, David; Baessler, Heinz; Koehler, Anna Does Excess Energy Assist Photogeneration in an Organic Low-Bandgap Solar Cell? Journal Article ADVANCED FUNCTIONAL MATERIALS, 25 (8), pp. 1287-1295, 2015, ISSN: 1616-301X. @article{ISI:000349817200014b, title = {Does Excess Energy Assist Photogeneration in an Organic Low-Bandgap Solar Cell?}, author = {Tobias Hahn and Johannes Geiger and Xavier Blase and Ivan Duchemin and Dorota Niedzialek and Steffen Tscheuschner and David Beljonne and Heinz Baessler and Anna Koehler}, doi = {10.1002/adfm.201403784}, issn = {1616-301X}, year = {2015}, date = {2015-02-01}, journal = {ADVANCED FUNCTIONAL MATERIALS}, volume = {25}, number = {8}, pages = {1287-1295}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Gruber, Mark; Mayr, Michael; Lampe, Thomas; Gallheber, Bjoern-Christoph; Scholz, Bert J; Bruetting, Wolfgang Influence of molecular orientation on the coupling of surface plasmons to excitons in semitransparent inverted organic solar cells Journal Article APPLIED PHYSICS LETTERS, 106 (8), 2015, ISSN: 0003-6951. @article{ISI:000350546600074b, title = {Influence of molecular orientation on the coupling of surface plasmons to excitons in semitransparent inverted organic solar cells}, author = {Mark Gruber and Michael Mayr and Thomas Lampe and Bjoern-Christoph Gallheber and Bert J Scholz and Wolfgang Bruetting}, doi = {10.1063/1.4913846}, issn = {0003-6951}, year = {2015}, date = {2015-02-01}, journal = {APPLIED PHYSICS LETTERS}, volume = {106}, number = {8}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Hammer, Natalie; Shubina, Tatyana E; Gisselbrecht, Jean-Paul; Hampel, Frank; Kivala, Milan Synthesis and Properties of Arylvinylidene-Bridged Triphenylamines Journal Article JOURNAL OF ORGANIC CHEMISTRY, 80 (4), pp. 2418-2424, 2015, ISSN: 0022-3263. @article{ISI:000349943000040b, title = {Synthesis and Properties of Arylvinylidene-Bridged Triphenylamines}, author = {Natalie Hammer and Tatyana E Shubina and Jean-Paul Gisselbrecht and Frank Hampel and Milan Kivala}, doi = {10.1021/jo502605e}, issn = {0022-3263}, year = {2015}, date = {2015-02-01}, journal = {JOURNAL OF ORGANIC CHEMISTRY}, volume = {80}, number = {4}, pages = {2418-2424}, keywords = {}, pubstate = {published}, tppubtype = {article} } |
Guo, Shuai; Ning, Jing; Koerstgens, Volker; Yao, Yuan; Herzig, Eva M; Roth, Stephan V; Mueller-Buschbaum, Peter The Effect of Fluorination in Manipulating the Nanomorphology in PTB7:PC71 BM Bulk Heterojunction Systems Journal Article ADVANCED ENERGY MATERIALS, 5 (4), 2015, ISSN: 1614-6832. @article{ISI:000350566000006b, title = {The Effect of Fluorination in Manipulating the Nanomorphology in PTB7:PC71 BM Bulk Heterojunction Systems}, author = {Shuai Guo and Jing Ning and Volker Koerstgens and Yuan Yao and Eva M Herzig and Stephan V Roth and Peter Mueller-Buschbaum}, doi = {10.1002/aenm.201401315}, issn = {1614-6832}, year = {2015}, date = {2015-02-01}, journal = {ADVANCED ENERGY MATERIALS}, volume = {5}, number = {4}, keywords = {}, pubstate = {published}, tppubtype = {article} } |