Search references:
| 1. | 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. |
References (last update: Sept. 23, 2024):
2020 |
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 Journal Article Angewandte Chemie International Edition, 59 (40), pp. 17750-17756, 2020. Abstract | Links | BibTeX | Tags: 2D photonic crystals, amplified spontaneous emission (ASE), PDMS template, perovskite nanocrystals, self-assembly @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 = {2D photonic crystals, amplified spontaneous emission (ASE), PDMS template, perovskite nanocrystals, self-assembly}, 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. |