Synthesis, characterization, and photovoltaic properties of novel semiconducting polymers with thiophene-phenylene-thiophene (TPT) as coplanar units

被引：117

作者：

Chan, Shu-Hua ^{[1
]}

Chen, Chih-Ping ^{[1
]}

Chao, Teng-Chih ^{[1
]}

Ting, Ching ^{[1
]}

Lin, Chin-Sheng ^{[1
]}

Ko, Bao-Tsan ^{[1
]}

机构：

[1] Ind Technol Res Inst, Mat & Chem Labs, Hsinchu 310, Taiwan

来源：

MACROMOLECULES | 2008年 / 41卷 / 15期

关键词：

D O I：

10.1021/ma800494k

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Four novel conjugated polymers (P1, P2, P3, and P4) based on coplanar thiophene-phenylene-thiophene (TPT) derivatives have been designed and synthesized for application in polymer solar cells (PSCs). The optical, electrochemical, field effect carrier mobility, and photovoltaic properties of P1-P4 are investigated and compared with those of poly(3-hexylthiophene) (P3HT). PSCs are fabricated based on the blend of the polymers and [6,6]-phenyl-C61-butyric acid methyl ester (PC61BM) or 1-(3-methoxycarbonyl)propyl-1-phenyl-[6,6]-C-71 (PC71BM) with a weight ratio of 1:3. The maximum power conversion efficiency (PCE) of the PSCs based on P3/PC71BM system reaches 3.3% with a short circuit current density (J(sc)) of 7.6 mA/cm(2), an open circuit voltage (V-oc) of 0.8 V, and a fill factor (FF) of 0.54 under AM 1.5G (100 mW/cm(2)) illumination. The results indicate that the coplanar TPT conjugated derivatives are promising PSC materials.

引用

页码：5519 / 5526

页数：8

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