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Synthesis, characterization, and dielectric studies of ortho-chloropolyaniline–graphite oxide composites

Published online by Cambridge University Press:  28 July 2015

Mohana Lakshmi ,
Aashish S. Roy ,
Ameena Parveen ,
Omar A. Al-Hartomy  and
Syed Khasim
Mohana Lakshmi
Affiliation:
Department of Physics, PES Institute of Technology, Bangalore 560100, Karnataka, India
Aashish S. Roy
Affiliation:
Department of Engineering Chemistry, KBN Engineering College, Gulbarga 585104, Karnataka, India
Ameena Parveen
Affiliation:
Department of Physics, Government First Grade College, Gurmitkal, Yadgir, Karnataka 585214, India
Omar A. Al-Hartomy
Affiliation:
Department of Physics, Faculty of Science, King Abdul Aziz University, Jeddah 21589, Saudi Arabia; and Department of Physics, University of Tabuk, Tabuk 71491, Saudi Arabia
Syed Khasim*
Affiliation:
Department of Physics, PES Institute of Technology, Bangalore 560100, Karnataka, India; and Department of Physics, University of Tabuk, Tabuk 71491, Saudi Arabia
*
a) Address all correspondence to this author. e-mail: syed.pes@gmail.com
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Abstract

A facile synthesis method was adapted to prepare Ortho-chloropolyaniline/graphite oxide (OPANI/GO) composites. The properties of these composites have been discussed based on different characterizations such as scanning electron microscopy, FTIR, and dielectric studies. The important peaks of benzenoid and quinoid rings in the spectrum confirm the formation of composites. Scanning electron microscopic studies indicate that the morphology of the prepared composites was influenced by different weight ratios of GO in OPANI and the resulting micrographs of these composites exhibited flaky and folded structures. The electrical conductivity study was carried out and found that 6 wt% of GO in PANI shows high conductivity value of 20 × 10−2 S/cm. The obtained results suggest an easy approach to prepare such novel nanocomposites with excellent dielectric properties which can be used in many technological applications.

Keywords

polyanilinecompositesconductivitypercolationdielectric

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Type
Articles
Information
Journal of Materials Research , Volume 30 , Issue 15 , 14 August 2015 , pp. 2310 - 2318
Copyright
Copyright © Materials Research Society 2015 

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