Pressure‐Induced Indirect‐Direct Bandgap Transition of CsPbBr3 Single Crystal and Its Effect on Photoluminescence Quantum Yield

Abstract Despite extensive study, the bandgap characteristics of lead halide perovskites are not well understood. Usually, these materials are considered as direct bandgap semiconductors, while their photoluminescence quantum yield (PLQY) is very low in the solid state or single crystal (SC) state....

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Bibliographic Details

Published in:	Advanced Science
Main Authors:	Junbo Gong, Hongxia Zhong, Chan Gao, Jiali Peng, Xinxing Liu, Qianqian Lin, Guojia Fang, Shengjun Yuan, Zengming Zhang, Xudong Xiao
Format:	Article
Language:	English
Published:	Wiley 2022-10-01
Subjects:	high pressure indirect bandgap lead halide perovskites photoluminescence
Online Access:	https://doi.org/10.1002/advs.202201554