Component-controllable Synthesis of Stable Planar-structure Perovskite CH3NH3Pb(I1-xBrx)3 Thin Films

被引：2
|
作者：
Liu, Caichi [1 ]
Zhang, Xin [1 ]
Chu, Yixia [1 ]
Liang, Limin [1 ]
Li, Shiyun [1 ]
Hao, Qiuyan [1 ]
Liu, Hui [1 ]
机构：
[1] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
来源：
CHEMISTRY LETTERS | 2017年 / 46卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Perovskite solar cell; Perovskite film; Vapor-assisted solution process; HYBRID SOLAR-CELLS; LEAD HALIDE PEROVSKITES; SEQUENTIAL DEPOSITION; EFFICIENT;
D O I：
10.1246/cl.170779
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The pure-phase Br-doped CH3NH3PbI3 films with a planar structure have been fabricated by evaporating a mixed powder with different proportions of CH3NH3I and CH3NH3Br, and the component-controllable CH3NH3Pb(I1-xBrx)(3) thin films can be successfully obtained. The study results indicated that the component change in CH3NH3Pb(I1-xBrx)(3) films not only affects the color and band gaps, but also influences the stability of the perovskite films. When the Br content in CH3NH3Pb(I1-xBrx)(3) films reaches 0.5, the perovskite films display an excellent stability. We demonstrate efficient solar cells exhibiting 6.8% power conversion efficiency under AM 1.5G illumination.
引用
收藏
页码：1683 / 1686
页数：4
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