Synthesis of New Thiadiazole-Containing Polythiophene Derivatives and Their Application to Organic Solar Cells

被引：4

作者：

Higashihara, Tomoya ^{[1
,2
]}

Mizobe, Tetsunari ^{[1
]}

Lu, Chien ^{[3
]}

Chen, Wen-Chang ^{[3
]}

Ueda, Mitsuru ^{[1
]}

机构：

[1] Tokyo Inst Technol, Grad Sch Sci & Engn, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528550, Japan

[2] Japan Sci & Technol Agcy JST, PRESTO, Kawaguchi, Saitama 3320012, Japan

[3] Natl Taiwan Univ, Dept Chem Engn, Taipei 10617, Taiwan

来源：

JOURNAL OF PHOTOPOLYMER SCIENCE AND TECHNOLOGY | 2013年 / 26卷 / 02期

基金：

日本科学技术振兴机构;

关键词：

thiadiazole; polythiophene; organic solar cell; conjugated polymer; POLYMER PHOTOVOLTAIC MATERIALS; CONJUGATED POLYMERS; EFFICIENCY; BANDGAP; DONOR; 1,3,4-THIADIAZOLE; ENHANCEMENT; THIOPHENE; MOIETIES;

D O I：

10.2494/photopolymer.26.185

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

New thiadiazole-containing pi-conjugated polymers have been successfully synthesized by the Stille coupling reaction of 2,5-bis(5'-bromo-3',4'-dihexylthien-2'-yl)-1,3,4-thiadiazole (1) with various distannyl compounds as acceptor and donor monomer units, respectively. Most of polymers showed lower highest occupied molecular orbital (HOMO) energy level than poly(3-hexylthiophene) (P3HT). It was found that the bulky side chains of donor units tend to prevent the arrangements of main chains. The polymer comprised of thienothiophene donor units without side chains displayed relatively high solar cell performance with a power conversion efficiency (PCE) of 2.8% under the illumination of AM 1.5, 100 mW/cm(2).

引用

页码：185 / 191

页数：7

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