High performance asymmetrical push-pull small molecules end-capped with cyanophenyl for solution-processed solar cells

被引：64

作者：

Gao, Hang ^{[1
]}

Li, Yanqin ^{[1
]}

Wang, Lihui ^{[1
]}

Ji, Changyan ^{[1
]}

Wang, Yue ^{[2
]}

Tian, Wenjing ^{[2
]}

Yang, Xichuan ^{[1
]}

Yin, Lunxiang ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Chem, Dalian, Peoples R China

[2] Jilin Univ, Coll Chem, State Key Lab Supramol Struct & Mat, Changchun 130023, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 71期

关键词：

ORGANIC SEMICONDUCTORS; CONJUGATED POLYMERS; BENZOTHIADIAZOLE; DESIGN; DYE; CYANO;

D O I：

10.1039/c4cc04020a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two novel asymmetrical push-pull small molecules have been synthesized successfully, consisting of triphenylamine and diketopyrrolopyrrole as a fundamental dipolar D-pi-A structure with ethynylbenzene as the pi-bridge. TPATDPPCN end-capped with cyanophenyl exhibits a low optical band gap of 1.65 eV, and an impressive PCE of 5.94% has been achieved.

引用

页码：10251 / 10254

页数：4

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