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Updated: Jun 16, 2026

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
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宽带间隙MAPbCl3矿的缺陷工程和排放调节3

Zihao Li1, Yuqing Luo1, Zelong Chen1

  • 1School of Materials, Shenzhen Campus of Sun Yat-Sen University, Shenzhen, Guangdong 518107, P.R. China.

The journal of physical chemistry letters
|May 20, 2024
PubMed
概括

化矿呈现出深层缺陷,影响光电子. 光发光研究揭示了这些缺陷,并为更好的设备提供了调整甲基化 (MAPbCl3) 特性的策略.

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Imperfections in Crystal Structure: Non-Stoichiometric Defects01:29

Imperfections in Crystal Structure: Non-Stoichiometric Defects

Non-stoichiometric defects refer to a type of defect in the crystal structure of a compound where the ratio of its constituent elements deviates from the ideal stoichiometric ratio. There are two main types of non-stoichiometric defects: metal excess defects and metal deficiency defects.Metal excess defects occur when there is a slight surplus of metal ions than what is required by the stoichiometric ratio of the compound. For example, heating a sodium chloride crystal in sodium vapor results...