Search references:
| 1. | 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. |
References (last update: Sept. 23, 2024):
2020 |
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 Journal Article Angewandte Chemie International Edition, 59 (17), pp. 6794-6799, 2020. Abstract | Links | BibTeX | Tags: CsPbX3 nanocrystals, exciton properties, manganese-doped perovskite nanocrystals, quantum confinement, Ruddlesden–Popper defects @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 = {CsPbX3 nanocrystals, exciton properties, manganese-doped perovskite nanocrystals, quantum confinement, Ruddlesden–Popper defects}, 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. |