Cs-Pb-Br体系钙钛矿材料光学性能研究进展

doi:10.3976/j.issn.1002-4026.2020.03.011

Abstract

Abstract: This paper mainly discusses the optical properties of three different compounds CsPbBr₃, CsPb₂Br₅and Cs₄PbBr₆，which exist stably in the whole inorganic perovskite materials in the Cs-Pb-Br ternary system. This study summarized and analyzed the preparation method, structural characteristics, and luminescence mechanism research. Among them, CsPb₂Br₅and Cs₄PbBr₆ have large energy gap, but also have excellent fluorescence characteristics, the contradiction between theory and experimental conclusion has caused great controversy. It is expected to have more direct experimental data to determine the structure of the material, so the luminescence mechanism of Cs-Pb-Br ternary inorganic perovskite materials will be discovered.

Key words: CsPbBr₃, CsPb₂Br₅, Cs₄PbBr₆, structural representation；preparation method；optical properties

CLC Number:

O649.1

CHEN Si-tong, YIN Yan-yan, YIN Min, XUE Fu-min, SUN Qi-lei. Optical properties of Cs-Pb-Br system perovskite materials[J].Shandong Science, 2020, 33(3): 75-81.

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Optical properties of Cs-Pb-Br system perovskite materials

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