A nonfullerene acceptor utilizing a novel asymmetric multifused-ring core unit for highly efficient organic solar cells

被引：79

作者：

Li, Chao ^{[1
]}

Xie, Yuanpeng ^{[1
]}

Fan, Bingbing ^{[1
]}

Han, Guangchao ^{[2
]}

Yi, Yuanping ^{[2
]}

Sun, Yanming ^{[1
]}

机构：

[1] Beihang Univ, Heeger Beijing Res & Dev Ctr, Sch Chem, Beijing 100191, Peoples R China

[2] Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Key Lab Organ Solids, Beijing 100190, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2018年 / 6卷 / 18期

基金：

中国国家自然科学基金;

关键词：

NON-FULLERENE ACCEPTORS; ELECTRON-ACCEPTOR; PERFORMANCE;

D O I：

10.1039/c8tc01229f

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this communication, a novel asymmetric ladder-type thiophenephenylene-thieno[3,2-b] thiophene-fused building block TPTT and the corresponding asymmetric nonfullerene acceptor TPTT-IC were reported for the first time. Organic solar cells (OSCs) fabricated with a wide-bandgap polymer PBT1-C as the donor and TPTT-IC as the acceptor yielded a high power conversion efficiency (PCE) of 10.5% with an open-circuit voltage (V-oc) of 0.96 V, a short-circuit current (J(sc)) of 15.6 mA cm(-2) and a fill factor (FF) of 70%, which is the highest PCE value reported in the literature so far for OSCs based on asymmetric nonfullerene acceptor materials.

引用

页码：4873 / 4877

页数：5

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