Low bandgap polymers synthesized by FeCol3 oxidative polymerization

被引：57

作者：

Cai, Tianqi ^{[1
,4
]}

Zhou, Yi ^{[2
,3
]}

Wang, Ergang ^{[1
]}

Hellstrom, Stefan ^{[1
]}

Zhang, Fengling ^{[2
,3
]}

Xu, Shiai ^{[4
]}

Inganas, Olle ^{[2
,3
]}

Andersson, Mats R. ^{[1
,2
,3
]}

机构：

[1] Chalmers Univ Technol, SE-41296 Gothenburg, Sweden

[2] Linkoping Univ, IFM, SE-58183 Linkoping, Sweden

[3] Linkoping Univ, Ctr Organ Elect, SE-58183 Linkoping, Sweden

[4] E China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2010年 / 94卷 / 07期

关键词：

Polymer solar cells; Bulk heterojunction; FeCl3 oxidative polymerization; Low bandgap polymers; Benzo[c][1,2,5]thiadiazole; HETEROJUNCTION SOLAR-CELLS; GAP POLYMER; PHOTOVOLTAIC PERFORMANCE; THIOPHENE; BENZOTHIADIAZOLE; COPOLYMER; EFFICIENT; MOBILITY; NETWORK; DESIGN;

D O I：

10.1016/j.solmat.2010.03.024

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Four low bandgap polymers, combining an alkyl thiophene donor with benzo[c][1,2,5]thiadiazole, 2,3-diphenylquinoxaline, 2,3-diphenylthieno[3,4-b]pyrazine and 6,7-diphenyl-[1,2,5]thiadiazolo[3,4-g] quinoxaline acceptors in a donor-acceptor-donor architecture, were synthesized via FeCl3 oxidative polymerization. The molecular weights of the polymers were improved by introducing o-dichlor-obenzene (ODCB) as the reaction solvent instead of the commonly used solvent, chloroform. The photophysical, electrochemical and photovoltaic properties of the resulting polymers were investigated and compared. The optical bandgaps of the polymers vary between 1.0 and 1.9 eV, which is promising for solar cells. The devices spin-coated from an ODCB solution of P1DB:[70]PCBM showed a power conversion efficiency of 1.08% with an open-circuit voltage of 0.91 V and a short-circuit current density of 3.36 mA cm(-2) under irradiation from an AM1.5G solar simulator (100 mW cm(-2)). (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1275 / 1281

页数：7

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