A medium-bandgap small molecule donor compatible with both fullerene and unfused-ring nonfullerene acceptors for efficient organic solar cells

被引：15

作者：

Chen, Xianjie ^{[1
,3
]}

Ding, Xueyan ^{[3
]}

Zhang, Qian ^{[3
]}

Wang, Di ^{[2
]}

Zhan, Lingling ^{[2
]}

Lu, Xinhui ^{[5
]}

Wu, Feifei ^{[1
]}

Xu, Zheng ^{[4
]}

Qiu, Huayu ^{[3
,4
]}

Chen, Wanzhi ^{[1
]}

Li, Chang-Zhi ^{[2
]}

机构：

[1] Zhejiang Univ, Dept Chem, Hangzhou 310028, Zhejiang, Peoples R China

[2] Zhejiang Univ, MOE Key Lab Macromol Synth & Functionalizat, State Key Lab Silicon Mat, Dept Polymer Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China

[3] Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Hangzhou 311121, Zhejiang, Peoples R China

[4] Hangzhou Normal Univ, Minist Educ, Key Lab Organosilicon Chem & Mat Technol, Hangzhou 311121, Zhejiang, Peoples R China

[5] Chinese Univ Hong Kong, Dept Phys, Hong Kong 999077, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2019年 / 7卷 / 43期

基金：

中国国家自然科学基金;

关键词：

ELECTRON-ACCEPTOR; POLYMER; DESIGN;

D O I：

10.1039/c9tc04680a

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Here we designed and synthesized a new small molecule donor DRC4TB with an alkylthiothienyl-substituted benzodithiophene as the core and 3-butyl rhodanine as the terminal group, which showed an optical bandgap of 1.87 eV. DRC4TB was compatible with both a fullerene acceptor (PC71BM) and an unfused-ring nonfullerene acceptor (HF-PCIC). The optimized DRC4TB:PC71BM and DRC4TB:HF-PCIC solar cells delivered comparable power conversion efficiencies (PCEs) of 8.53% and 8.68%, respectively.

引用

页码：13396 / 13401

页数：6

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