Indirect-to-Direct Bandgap Transition in Layered Metal Halide Perovskite - CsPb2Br5

Xiao Wu, Xiangyu Zhang,Wei Yu, Yongxiang Zhou,Walter P.D. Wong,Weixin He,Kian Ping Loh,Xiaofang Jiang,Qinghua Xu

Journal of Materials Chemistry A（2023）

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摘要

All-inorganic layered halide perovskite CsPb2Br5 has many potential applications due to its interesting optical properties and long-term stability. However, its photoluminescence mechanism remains controversial due to contradiction between its indirect...

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关键词

layered metal halide,cspb<sub>2</sub>br<sub>5</sub>,indirect-to-direct

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