Synthesis and charge carrier mobility of a solution-processable conjugated copolymer based on cyclopenta[c]thiophene

被引：17

作者：

Das, Soumyajit ^{[1
]}

Senanayak, Satyaprasad P. ^{[2
]}

Bedi, Anjan ^{[1
]}

Narayan, K. S. ^{[2
]}

Zade, Sanjio S. ^{[1
]}

机构：

[1] Indian Inst Sci Educ & Res, Dept Chem Sci, Nadia 741252, W Bengal, India

[2] Jawaharlal Nehru Ctr Adv Sci Res, Chem & Phys Mat Unit, Bangalore 560064, Karnataka, India

来源：

POLYMER | 2011年 / 52卷 / 25期

关键词：

Cyclopenta[c]thiophene; Polythiophene; Polymer field effect transistors; FIELD-EFFECT TRANSISTORS; PHOTOVOLTAIC PERFORMANCE; PENTACENE PRECURSOR; CONDUCTING POLYMER; SOLAR-CELLS; TRANSPORT; ENHANCEMENT; DEVICE; SEMICONDUCTORS; CONVERSION;

D O I：

10.1016/j.polymer.2011.10.014

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A new polymer comprising alternate thiophene and didodecyloxymethyl substituted cyclopenta[c] thiophene unit, PDCPTT, was synthesized by the Stille coupling reaction and characterized by H-1 NMR, GPC, TGA, DSC, XRD, UV-vis absorption spectroscopy, photoluminescence spectroscopy and cyclic voltammetry. The copolymer is readily soluble in tetrahydrofuran, chloroform and toluene at ambient conditions and exhibits good thermal stability as it does not exhibit noteworthy weight loss until similar to 300 degrees C under nitrogen. This polymer possesses a broad absorption band ranging at 400-650 nm (with an optical band gap of 1.90 eV). The OFF calculation predicts the polymer to be planar and the calculated band gap is only 0.17 eV higher than the experimentally determined band gap. Didodecyloxymethyl-3,4-cyclopentane substitution on alternate thiophene in a polythiophene, hitherto unexplored, showed an effective polymer based field effect transport characteristics; exhibiting hole mobility approximate to 1.4 x 10(-2) cm(2) V-1 s(-1). (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：5780 / 5787

页数：8

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