Regio-Specific Selenium Substitution in Non-Fullerene Acceptors for Efficient Organic Solar Cells

被引：72

作者：

Lin, Francis ^{[1
,2
]}

Zuo, Lijian ^{[2
]}

Gao, Ke ^{[2
]}

Zhang, Ming ^{[3
]}

Jo, Sae Byeok ^{[2
]}

Liu, Feng ^{[3
]}

Jee, Alex K-Y ^{[1
,2
,4
,5
]}

机构：

[1] Univ Washington, Dept Chem, Seattle, WA 98195 USA

[2] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA

[3] Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China

[4] City Univ Hong Kong, Dept Chem, Kowloon, Hong Kong, Peoples R China

[5] City Univ Hong Kong, Dept Mat Sci & Engn, Kowloon, Hong Kong, Peoples R China

来源：

CHEMISTRY OF MATERIALS | 2019年 / 31卷 / 17期

关键词：

ELECTRON-ACCEPTOR; SELENOPHENE; PERFORMANCE; RING; ACHIEVE; DESIGN;

D O I：

10.1021/acs.chemmater.9b01242

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：

A set of isomeric ladder type non-fullerene acceptors (NFAs), SRID-4F and TRID-4F, was designed and synthesized to systematically investigate the structure- property relationship of selenium substitution on A-D-A type NFAs. It was found that regio-specific selenium substitution not only affects the optical and electrochemical properties but also changes the morphology of thin films. Photovoltaic devices based on SRID-4F showed a high power conversion efficiency of >13% when paired with polymeric donor PBDB-T-2F.

引用

页码：6770 / 6778

页数：9

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