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

页码：1683 / 1686

页数：4

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