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

Huo, Lijun; Zhang, Shaoqing; Guo, Xia; Xu, Feng; Li, Yongfang; Hou, Jianhui

doi:10.1002/anie.201103313

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

Published in Angewandte Chemie International Edition • Aug 25, 2011

Authors:

Lijun Huo

Shaoqing Zhang

Xia Guo

Abstract

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 lev...

Subject

Photovoltaic system

Alkoxy group

Conjugated system

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