期刊
CHEMICAL COMMUNICATIONS
卷 57, 期 50, 页码 6125-6128出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc01543e
关键词
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资金
- National Natural Science Foundation of China [91733301, 22075094, 11904266, 21702069]
- Fundamental Research Funds for the Central Universities [2042021kf0202]
- 111 Project [B07038]
- Program for HUST Academic Frontier Youth Team [2016QYTD06]
- Open Project Program of Wuhan National Laboratory for Optoelectronics [2020WN LOKF014]
The anion exchange between MAPbX(3) (X = I- or Br-) and MAX salts in a solution environment was investigated. It was found that I- can enter MAPbBr(3) single crystals (SC) in millimeter scale, while Br- can only penetrate the surface of MAPbI(3) SC in a micrometer scale. The reaction is partially reversible due to lattice variation.
The anion exchange between MAPbX(3) (X = I- or Br-) and MAX salts in a solution environment is investigated. We find that I- can enter MAPbBr(3) single crystals (SC) in millimeter scale, while Br- can only penetrate the surface of MAPbI(3) SC in a micrometer scale. Due to the lattice variation, the reaction is partially reversible.
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