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Start Over Author "Chen, Xiayan" Publisher royal society of chemistry
1 results on '"Chen, Xiayan"'

1. Investigating the iodide and bromide ion exchange in metal halide perovskite single crystals and thin films.

Author

Huang, Qingyi, Li, Zhe, Chen, Xiayan, Xia, Yongkang, Zheng, Ziwei, Mei, Anyi, Zhu, Kai, Hu, Yue, Wang, Ti, Rong, Yaoguang, and Han, Hongwei

Subjects
METAL halides, SINGLE crystals, THIN films, BROMIDE ions, ION exchange (Chemistry), PEROVSKITE
Abstract

The anion exchange between MAPbX3 (X = I− or Br−) and MAX salts in a solution environment is investigated. We find that I− can enter MAPbBr3 single crystals (SC) in millimeter scale, while Br− can only penetrate the surface of MAPbI3 SC in a micrometer scale. Due to the lattice variation, the reaction is partially reversible. [ABSTRACT FROM AUTHOR]

Published
2021
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