A D-A copolymer of dithienosilole and a new acceptor unit of naphtho[2,3-c]thiophene-4,9-dione for efficient polymer solar cells

被引：68

作者：

Cui, Chaohua ^{[1
]}

Fan, Xi ^{[1
]}

Zhang, Maojie ^{[1
]}

Zhang, Jing ^{[1
]}

Min, Jie ^{[1
]}

Li, Yongfang ^{[1
]}

机构：

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

来源：

CHEMICAL COMMUNICATIONS | 2011年 / 47卷 / 40期

关键词：

OPEN-CIRCUIT VOLTAGE; PHOTOVOLTAIC PROPERTIES; POLYTHIOPHENES; BANDGAP; LEVEL;

D O I：

10.1039/c1cc14132e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A strong electron-withdrawing unit, naphtho[2,3-c]thiophene-4,9-dione, was copolymerized with dithienosilole to get a D-A copolymer, PDTSNTDO, with a narrow bandgap and lower-lying HOMO level. The PCE of the PDTSNTDO-based device reached 5.21%, with a high open circuit voltage of 0.88 V.

引用

页码：11345 / 11347

页数：3