Replacing Alkoxy Groups with Alkylthienyl Groups: A Feasible Approach To Improve the Properties of Photovoltaic Polymers

被引：911

作者：

Huo, Lijun ^{[2
]}

Zhang, Shaoqing ^{[2
]}

Guo, Xia ^{[1
]}

Xu, Feng ^{[2
]}

Li, Yongfang ^{[1
]}

Hou, Jianhui ^{[2
]}

机构：

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

[2] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, State Key Lab Polymer Phys & Chem, Beijing 100190, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2011年 / 50卷 / 41期

关键词：

conjugation; molecular devices; palladium; apolymers; solar cells; HETEROJUNCTION SOLAR-CELLS; CONJUGATED POLYMER; ACCEPTOR GROUPS; HOMO LEVEL; PERFORMANCE; EFFICIENCY; BANDGAP; COPOLYMERS; POLYTHIOPHENES; CARBAZOLE;

D O I：

10.1002/anie.201103313

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Another dimension: Two newly designed two-dimensional (2D) conjugated polymers, PBDTTT-E-T (see scheme; left) and PBDTTT-C-T, were prepared and their properties compared to those of the alkoxy-substituted analogues (right). PBDTTT-E-T and PBDTTT-C-T exhibited smaller band gaps, lower-energy HOMO levels, better thermal stabilities, and much better photovoltaic properties. Therefore, the 2D structures are feasible for the design of photovoltaic polymers. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：9697 / 9702

页数：6

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