Anthradithiophene-Containing Copolymers for Thin-Film Transistors and Photovoltaic Cells

被引：48

作者：

Jiang, Ying ^{[1
]}

Okamoto, Toshihiro ^{[1
]}

Becerril, Hector A. ^{[1
]}

Hong, Sanghyun ^{[1
]}

Tang, Ming Lee ^{[2
]}

Mayer, Alex C. ^{[3
]}

Parmer, Jack E. ^{[3
]}

McGehee, Michael D. ^{[3
]}

Bao, Zhenan ^{[1
]}

机构：

[1] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA

[2] Stanford Univ, Dept Chem, Stanford, CA 94305 USA

[3] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA

来源：

MACROMOLECULES | 2010年 / 43卷 / 15期

关键词：

POLYMER SOLAR-CELLS; CONJUGATED POLYMERS; PERFORMANCE; PENTACENE; EFFICIENCY; MOBILITY; POLYTHIOPHENES;

D O I：

10.1021/ma1001639

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We synthesized anthradithiophene-cyclopentadithiophene conjugated copolymers via Stille coupling. The anthradithiophene core was verified to be superior in stability compared to pentacene toward Diels-Alder cycloaddition and therefore more compatible with fullerenes, acceptor material commonly used in bulk heterojunction (BHJ) photovoltaic cells. The polymers exhibit high film absorption coefficients of 10(5) cm(-1), an order of magnitude higher than previously reported anthradithiophene-dialkylfluorene copolymers. Short-circuit currents exceeding 5 mA/cm(2) and a BHJ device efficiency close to 1% were achieved when device morphology was improved with diiodooctane as a solvent additive. This is the highest power conversion efficiency achieved by an acene-containing polymer so far.

引用

页码：6361 / 6367

页数：7

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