Side-Chain Tunability via Triple Component Random Copolymerization for Better Photovoltaic Polymers

被引：83

作者：

Chang, Wei-Hsuan ^{[1
,2
]}

Gao, Jing ^{[1
]}

Dou, Letian ^{[1
,2
]}

Chen, Chun-Chao ^{[1
]}

Liu, Yongsheng ^{[1
,2
]}

Yang, Yang ^{[1
,2
]}

机构：

[1] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Calif Nano Syst Inst, Los Angeles, CA 90095 USA

来源：

ADVANCED ENERGY MATERIALS | 2014年 / 4卷 / 04期

关键词：

side-chains; triethylene glycol; triple component; conjugated polymers; solar cells; LOW-BANDGAP POLYMERS; SOLAR-CELLS; CHARGE-TRANSPORT; TANDEM POLYMER; GAP POLYMERS; EFFICIENCY; DONOR; PERFORMANCE; MOBILITIES; JUNCTION;

D O I：

10.1002/aenm.201300864

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Using a triple component random copolymerization approach, the amount of triethylene glycol (TEG) side chain, which can be regarded as a stack-inducing agent, is introduced precisely into a given polymer backbone. TEG side chains result in a more favorable morphology in a polymer:fullerene blend. Based on the low-bandgap photovoltaic polymer PBDTT-DPP (PBD), this methodology can bring a 10% overall improvement in power conversion efficiency (PCE). © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页数：6

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