Stability of self-assembled organic-inorganic layered perovskite

被引：4
|
作者：
Kitazawa, N [1 ]
Yamamoto, T [1 ]
Watanabe, Y [1 ]
Nakamura, Y [1 ]
机构：
[1] Natl Def Acad, Dept Mat Sci & Engn, Yokosuka, Kanagawa 2398686, Japan
来源：
ORGANIC/INORGANIC HYBRID MATERIALS II | 1999年 / 576卷
关键词：
D O I：
10.1557/PROC-576-165
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Photo-stability of (C6H5C2H4NH3)(2)PbX4 (X; Br and I) films was studied and the degradation processes were discussed. The prepared films were not stable against the UV-light irradiation. The PhE-PbX4 films were readily oxidized by the UV-light irradiation in air. In vacuum, the PhE-PbI4 films changed to beta-phenethylamine intercalated PbI2 due to the elimination of halogen species. On the contrary, no degradation was observed for the PhE-PbBr4 films. These results suggested that the photo-irradiation induced photochemical reaction was one of the possible reasons for the degradation. To suppress the oxidation and halogen elimination induced by the photochemical reaction, PMMA-coated PhE-PbX4 films were also fabricated and their photo-stability was examined.
引用
收藏
页码：165 / 170
页数：6
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