Temperature dependent dc and ac electrical transport properties of the composite of a polyaniline nanorod with copper chloride

Gupta K.; Chakraborty G.; Jana P.C.Meikap A.K.

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Temperature dependent dc and ac electrical transport properties of the composite of a polyaniline nanorod with copper chloride

机译：Temperature dependent dc and ac electrical transport properties of the composite of a polyaniline nanorod with copper chloride

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摘要

We have prepared the composite of polyaniline nanorods with copper chloride by chemical oxidative polymerization of aniline. Introduction of copper chloride in polyaniline significantly increases the conductivity of the nanocomposite. Temperature dependence of resistivity for our sample is best fitted with the quasi-one-dimensional hopping model and also the tunneling model. Negative magnetoconductivity is obtained for the samples at room temperature. Temperature variation of ac conductivity can be explained in terms of correlated barrier hopping model. Frequency dependence of the real part of impedance is explained by the MaxwellWagner capacitor model. Two activation behaviors are observed from the analysis of grain and grain boundary contributions.

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《Solid State Communications》 |2011年第7期|573-578|共6页
作者
Gupta K.; Chakraborty G.; Jana P.C.Meikap A.K.;
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作者单位

National Institute of Technology, Mahatma Gandhi Avenue, Durgapur 713 209, West Bengal, India;

Department of Physics and Technophysics, Vidyasagar University, Midnapore 721 102, West Bengal, India;

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原文格式 PDF
正文语种英语
中图分类固体物理学;
关键词
A. Polyaniline; B. Reverse micelle; C. Dielectric permittivity; D. Hopping transport;

Temperature dependent dc and ac electrical transport properties of the composite of a polyaniline nanorod with copper chloride

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