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.
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收藏
页数：6
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