DC conductivity study of polyaniline and poly(acrylonitrile-butadiene-styrene) blends

被引：12
|
作者：
Cristovan, Fernando H. [1 ]
de Paula, Fernando R. [2 ]
Lemos, Sherlan G. [3 ]
De Oliveira, Adilson J. A. [2 ]
Pereira, Ernesto C. [1 ]
机构：
[1] Univ Fed Sao Carlos, Lab Interdisciplinar Eletroquim & Ceram, Dept Quim, BR-13560970 Sao Carlos, SP, Brazil
[2] Univ Fed Sao Carlos, Lab Supercondutividade & Magnetismo, Dept Fis, BR-13560970 Sao Carlos, SP, Brazil
[3] Univ Fed Paraiba, Dept Quim, BR-58051970 Joao Pessoa, Paraiba, Brazil
来源：
SYNTHETIC METALS | 2009年 / 159卷 / 21-22期
基金：
巴西圣保罗研究基金会;
关键词：
Conducting polymers; Polyaniline; Poly(acrylonitrile-butadiene-styrene); Variable range hopping; TRANSPORT; COMPOSITE; POLYMERS; FILMS; ACID;
D O I：
10.1016/j.synthmet.2009.08.042
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, conducting blends of poly(acrylonitrile-butadiene-styrene) and polyaniline doped with dodecylbenzene sulfonic acid were prepared by solution blending. In order to understand the electrical conduction mechanism of the samples, DC electrical conductivity measurements of the blends were carried out in the temperature range of 80-320 K. The experimental results fit well with Mott's model of three-dimensional variable range hopping conduction. The values of Mott's temperature, density of states at the Fermi energy, average hopping distance and barrier height for the composites were calculated and presented. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：2188 / 2190
页数：3
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