Tailoring Structure-Property Relationships in Dithienosilole-Benzothiadiazole Donor-Acceptor Copolymers

被引：209

作者：

Beaujuge, Pierre M. ^{[2
]}

Pisula, Wojciech ^{[1
]}

Tsao, Hoi Nok ^{[1
]}

Ellinger, Stefan ^{[2
]}

Muellen, Klaus ^{[1
]}

Reynolds, John R. ^{[2
]}

机构：

[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

[2] Univ Florida, George & Josephine Butler Polymer Res Lab, Ctr Macromol Sci & Engn, Dept Chem, Gainesville, FL 32611 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2009年 / 131卷 / 22期

关键词：

FIELD-EFFECT TRANSISTORS; CHARGE-CARRIER MOBILITY; THIN-FILM TRANSISTORS; POLYMER SOLAR-CELLS; SEMICONDUCTING POLYMERS; BAND; PERFORMANCE; THIOPHENE; CORE;

D O I：

10.1021/ja900519k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Four new DTS-BTD copolymers (P1-P4) differing by the concentration of electron-donating and -withdrawing substituents along the backbone have been synthesized and characterized by 2D-WAXS and in bottom-contact FETs. While all copolymers can self-assemble into lamellar superstructures, only P2 and P4 show a propensity to R-stack. P4 exhibits a hole mobility as high as 0.02 cm(2) V-1 s(-1) in excellent agreement with the close pi-stacking and lamellar distances found by structural analysis (0.36 and 1.84 nm, respectively) and absorbs homogenously across the entire visible spectrum as solar cell applications require.

引用

页码：7514 / +

页数：3

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