High efficiency methylammonium lead triiodide perovskite solar cells: the relevance of non-stoichiometric precursors

被引：392
作者：
Roldan-Carmona, C. [1 ]
Gratia, P. [1 ]
Zimmermann, I. [1 ]
Grancini, G. [1 ]
Gao, P. [1 ]
Graetzel, M. [2 ]
Nazeeruddin, Mohammad Khaja [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Grp Mol Engn Funct Mat, CH-1951 Sion, Switzerland
[2] Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1051 Sion, Switzerland
来源：
ENERGY & ENVIRONMENTAL SCIENCE | 2015年 / 8卷 / 12期
关键词：
HIGH-PERFORMANCE; SEQUENTIAL DEPOSITION; HALIDE PEROVSKITES; CH3NH3PBI3; RECOMBINATION; PASSIVATION; CRYSTALLIZATION; INTERFACE; LENGTHS;
D O I：
10.1039/c5ee02555a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Methylammonium lead iodide perovskite solar cells with improved performance and stability have been successfully prepared by using a non-stoichiometric PbI2 : CH3NH3I ratio in the precursor solution, and yield a power conversion efficiency (PCE) of above 19% under 1 sun for the champion cell.
引用
收藏
页码：3550 / 3556
页数：7
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