Solution-processed small-molecule solar cells: breaking the 10% power conversion efficiency

被引：502

作者：

Liu, Yongsheng ^{[1
,2
]}

Chen, Chun-Chao ^{[1
]}

Hong, Ziruo ^{[1
]}

Gao, Jing ^{[1
]}

Yang, Yang ^{[1
]}

Zhou, Huanping ^{[1
,2
]}

Dou, Letian ^{[1
,2
]}

Li, Gang ^{[1
]}

Yang, Yang ^{[1
,2
]}

机构：

[1] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA

来源：

SCIENTIFIC REPORTS | 2013年 / 3卷

基金：

美国国家科学基金会;

关键词：

TANDEM POLYMER; HOLE INJECTION; PERFORMANCE; BENZODITHIOPHENE; IMPROVE; OLIGOTHIOPHENE; JUNCTION; DESIGN; LAYER;

D O I：

10.1038/srep03356

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A two-dimensional conjugated small molecule (SMPV1) was designed and synthesized for high performance solution-processed organic solar cells. This study explores the photovoltaic properties of this molecule as a donor, with a fullerene derivative as an acceptor, using solution processing in single junction and double junction tandem solar cells. The single junction solar cells based on SMPV1 exhibited a certified power conversion efficiency of 8.02% under AM 1.5 G irradiation (100 mW cm(-2)). A homo-tandem solar cell based on SMPV1 was constructed with a novel interlayer (or tunnel junction) consisting of bilayer conjugated polyelectrolyte, demonstrating an unprecedented PCE of 10.1%. These results strongly suggest solution-processed small molecular materials are excellent candidates for organic solar cells.

引用

页数：8

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