Bulk Heterojunction Solar Cells Using Thieno[3,4-c]pyrrole-4,6-dione and Dithieno[3,2-b:2′,3′-d]silole Copolymer with a Power Conversion Efficiency of 7.3%

Chu, Ta‐Ya; Lu, Jianping; Beaupré, Serge; Zhang, Yanguang; Pouliot, Jean‐Rémi; Wakim, Salem; Zhou, Jiayun; Leclerc, Mario; Li, Zhao; Ding, Jianfu; Tao, Ye

doi:10.1021/ja200314m

Public

Bulk Heterojunction Solar Cells Using Thieno[3,4-c]pyrrole-4,6-dione and Dithieno[3,2-b:2′,3′-d]silole Copolymer with a Power Conversion Efficiency of 7.3%

Published in Journal of the American Chemical Society • Mar 4, 2011

Authors:

Ta‐Ya Chu

Jianping Lu

Serge Beaupré

Abstract

A new alternating copolymer of dithienosilole and thienopyrrole-4,6-dione (PDTSTPD) possesses both a low optical bandgap (1.73 eV) and a deep highest occupied molecular orbital energy level (5.57 eV). The introduction of branched alkyl chains to the dithienosilole unit was found to be critical for t...

Subject

Copolymer

Chemistry

Polymer solar cell

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