MAPbI3-xBrx mixed halide perovskites for fully printable mesoscopic solar cells with enhanced efficiency and less hysteresis

被引：63
作者：
Cao, Kun [1 ]
Li, Hao [1 ]
Liu, ShuangShuang [1 ]
Cui, Jin [1 ]
Shen, Yan [1 ]
Wang, Mingkui [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Sch Opt & Elect Informat, Michael Gratzel Ctr Mesoscop Solar Cells, Luoyu Rd 1037, Wuhan 430074, Peoples R China
来源：
NANOSCALE | 2016年 / 8卷 / 16期
关键词：
HOLE-CONDUCTOR-FREE; HIGH-PERFORMANCE; RECOMBINATION; IODIDE; EVOLUTION; ABSORBER; CONTACT; ORIGIN; BR;
D O I：
10.1039/c6nr01043a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hybrid lead-halide perovskite solar cells (PSCs) are promising alternatives to silicon-based cells due to their high photovoltaic performance and low cost. We report herein fully printable perovskite solar cells with a mesoporous TiO2/Al2O3/C architecture in combination with mixed-halide MAPbI(3-x)Br(x) perovskites. A maximum conversion efficiency of 13.49% can be achieved with an increased open circuit voltage of 1.01 V, which is higher than the MAPbI(3)-based devices. A reduced anomalous hysteresis in the J-V curve measurement has been demonstrated in perovskite solar cells based on MAPbI(2.4)Br(0.6) perovskite, which is directly linked to the characteristically slow kinetics measured through electrochemical impedance spectroscopy.
引用
收藏
页码：8839 / 8846
页数：8
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