Roles of Fullerene-Based Interlayers in Enhancing the Performance of Organometal Perovskite Thin-Film Solar Cells

被引：317
|
作者：
Liang, Po-Wei [1 ]
Chueh, Chu-Chen [1 ]
Williams, Spencer T. [1 ]
Jen, Alex K. -Y. [1 ,2 ]
机构：
[1] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA
[2] Univ Washington, Dept Chem, Seattle, WA 98195 USA
来源：
ADVANCED ENERGY MATERIALS | 2015年 / 5卷 / 10期
关键词：
interfaces; perovskite; planar heterojunctions; solar cells; solution processability; SEQUENTIAL DEPOSITION; EFFICIENT; ELECTRON; PASSIVATION; CH3NH3PBI3; HYSTERESIS; INTERFACES; LENGTHS; ORIGIN; METAL;
D O I：
10.1002/aenm.201402321
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：
Roles of fullerene-based interlayers in enhancing the performance of organometal perovskite thin-film solar cells are elucidated. By studying various fullerenes, a clear correlation between the electron mobility of fullerenes and the resulting performance of derived devices is determined. The metallic characteristics of the bilayer perovskite/fullerene field-effect transistor indicates an effective charge redistribution occurring at the corresponding interface. A conventional perovskite thin-film solar cell derived from the C60 electron-transporting layer (ETL) affords a high power conversion efficiency of 15.4%. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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页数：7
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