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Amplified spontaneous emission from all-inorganic perovskite on a flexible substrate with silk fibroin

Stretchable microcavity lasers reveal potential application in flexible displays, biomedicine, and wearable devices in the near future. In this work, we investigated the characteristic of amplified spontaneous emission (ASE) from all inorganic CsPbBr(3) QDs on a flexible PET substrate with the assis...

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Autores principales: Yang, Chin-Yi, Jian, Liang-Yu, Lee, Yi-Ting, Tseng, Zong-Liang, Lin, Ja-Hon
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9203528/
https://www.ncbi.nlm.nih.gov/pubmed/35710555
http://dx.doi.org/10.1038/s41598-022-12313-2
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author Yang, Chin-Yi
Jian, Liang-Yu
Lee, Yi-Ting
Tseng, Zong-Liang
Lin, Ja-Hon
author_facet Yang, Chin-Yi
Jian, Liang-Yu
Lee, Yi-Ting
Tseng, Zong-Liang
Lin, Ja-Hon
author_sort Yang, Chin-Yi
collection PubMed
description Stretchable microcavity lasers reveal potential application in flexible displays, biomedicine, and wearable devices in the near future. In this work, we investigated the characteristic of amplified spontaneous emission (ASE) from all inorganic CsPbBr(3) QDs on a flexible PET substrate with the assistance of biocompatible silk fibroin (SF) film. In comparison with the sample on PET directly, the ASE of all-inorganic perovskite film revealed a lower threshold of 32.7 μJ/cm(2), higher slope efficiency, and a larger gain coefficient of around 100.0 cm(−1) owing to the better stack and good arrangement of the CsPbBr(3) QDs on top of the SF film. For the temperature-dependent ASE measurement, the larger characteristic temperature of around 277 K is obtained from CsPbBr(3) QD/SF film, and the emission peak reveals a slight shift with temperature variation, which indicates its temperature-insensitive property. As the curvature of flexible substrate increases under the mechanical bending, the lasing threshold of CsPbBr(3) QD/SF film was reduced along with the increase in slope efficiency owing to the enhancement in the index guiding effect.
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spelling pubmed-92035282022-06-18 Amplified spontaneous emission from all-inorganic perovskite on a flexible substrate with silk fibroin Yang, Chin-Yi Jian, Liang-Yu Lee, Yi-Ting Tseng, Zong-Liang Lin, Ja-Hon Sci Rep Article Stretchable microcavity lasers reveal potential application in flexible displays, biomedicine, and wearable devices in the near future. In this work, we investigated the characteristic of amplified spontaneous emission (ASE) from all inorganic CsPbBr(3) QDs on a flexible PET substrate with the assistance of biocompatible silk fibroin (SF) film. In comparison with the sample on PET directly, the ASE of all-inorganic perovskite film revealed a lower threshold of 32.7 μJ/cm(2), higher slope efficiency, and a larger gain coefficient of around 100.0 cm(−1) owing to the better stack and good arrangement of the CsPbBr(3) QDs on top of the SF film. For the temperature-dependent ASE measurement, the larger characteristic temperature of around 277 K is obtained from CsPbBr(3) QD/SF film, and the emission peak reveals a slight shift with temperature variation, which indicates its temperature-insensitive property. As the curvature of flexible substrate increases under the mechanical bending, the lasing threshold of CsPbBr(3) QD/SF film was reduced along with the increase in slope efficiency owing to the enhancement in the index guiding effect. Nature Publishing Group UK 2022-06-16 /pmc/articles/PMC9203528/ /pubmed/35710555 http://dx.doi.org/10.1038/s41598-022-12313-2 Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Yang, Chin-Yi
Jian, Liang-Yu
Lee, Yi-Ting
Tseng, Zong-Liang
Lin, Ja-Hon
Amplified spontaneous emission from all-inorganic perovskite on a flexible substrate with silk fibroin
title Amplified spontaneous emission from all-inorganic perovskite on a flexible substrate with silk fibroin
title_full Amplified spontaneous emission from all-inorganic perovskite on a flexible substrate with silk fibroin
title_fullStr Amplified spontaneous emission from all-inorganic perovskite on a flexible substrate with silk fibroin
title_full_unstemmed Amplified spontaneous emission from all-inorganic perovskite on a flexible substrate with silk fibroin
title_short Amplified spontaneous emission from all-inorganic perovskite on a flexible substrate with silk fibroin
title_sort amplified spontaneous emission from all-inorganic perovskite on a flexible substrate with silk fibroin
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9203528/
https://www.ncbi.nlm.nih.gov/pubmed/35710555
http://dx.doi.org/10.1038/s41598-022-12313-2
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