Indirect-to-direct bandgap transition in layered metal halide perovskite – CsPb2Br5
Autor: | Xiao Wu, Xiangyu Zhang, Wei Yu, Yongxiang Zhou, Walter Wong, Weixin He, Kian Ping Loh, Xiao-Fang Jiang, Qing-Hua Xu |
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Rok vydání: | 2023 |
Předmět: | |
Zdroj: | Journal of Materials Chemistry A. 11:4292-4301 |
ISSN: | 2050-7496 2050-7488 |
Popis: | Non-emissive CsPb2Br5 was found to convert into a highly efficient green emitter via simple thermal or photothermal annealing, which is ascribed to the thermally induced indirect-to-direct bandgap transition associated with defect formation. |
Databáze: | OpenAIRE |
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