Anisotropic highly-conductive films of poly(3-methylthiophene) from epitaxial electropolymerization on oriented poly(vinylidene fluoride)

被引：37

作者：

Sun, Dianming ^{[1
]}

Li, Yongxiu ^{[1
]}

Ren, Zhongjie ^{[1
]}

Bryce, Martin R. ^{[2
]}

Li, Huihui ^{[1
]}

Yan, Shouke ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

[2] Univ Durham, Dept Chem, Durham DH1 3LE, England

来源：

CHEMICAL SCIENCE | 2014年 / 5卷 / 08期

关键词：

SITU ELECTROCHEMICAL DEPOSITION; FIELD-EFFECT TRANSISTORS; INFRARED-SPECTRA; PERFORMANCE; TRANSITION; TRANSPORT; POLYMERS; POLY(3-HEXYLTHIOPHENE); POLYBITHIOPHENE; CRYSTALLIZATION;

D O I：

10.1039/c4sc01068j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electrochemical polymerization of 3-methylthiophene on highly oriented poly(vinylidene fluoride) (PVDF) film was achieved by cyclic voltammetry to yield well-ordered poly(3-methylthiophene) (P3MT) thin films with anisotropic structural and conductivity properties. The conductivity of P3MT along the direction perpendicular to the chain direction of PVDF, after electrochemical dedoping, is 593 S cm1, while that along the PVDF chain direction is 1.20.4 S cm 1. The high conductivity of the P3MT is attributed to the well-ordered structure with its flat-on single crystals as confirmed by electron diffraction and Reflection Absorption Infra-red Spectroscopy (RAIRS). The data are consistent with P3MT chains aligned with p-p stacking perpendicular to the chain direction of the PVDF substrate. Epitaxial electropolymerization is an unusual method of preparing highly ordered thin films of organic semiconductors.

引用

页码：3240 / 3245

页数：6

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