Synthesis, characterisation, and DC conductivity of polyaniline-lead oxide composites

Parveen, Ameena and Dashpande, Raghunandan and Ahmed, Shakeel and Roy, Aashis S (2013) Synthesis, characterisation, and DC conductivity of polyaniline-lead oxide composites. In: CHEMICAL PAPERS, 67 (3). pp. 350-356.

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Abstract

The polyaniline-PbO composites of various mass fractions were prepared by in situ polymerisation. The prepared samples were characterised by FTIR, and the dominant peaks confirmed the formation of polyaniline-PbO composites. The SEM study shows a granular agglomerated morphology, and increases with an increase in the lead oxide mass % in polyaniline. Direct current (DC) conductivity (sigma (DC)) was studied as a function of temperature (T). From these studies, it was found that conductivity increased at higher temperatures due to the polarons hopping from one localised state to another. DSC studies reveal, the decrease in peak temperature from 273A degrees C (pure PANI) to 169.2A degrees C, 193.5A degrees C, 218.4A degrees C, 235.2A degrees C, and 224.2A degrees C, respectively for the various mass fractions (10 %, 30 %, 20 %, 40 %, and 50 %) of polyaniline-PbO composites.

Item Type:	Journal Article
Publication:	CHEMICAL PAPERS
Publisher:	VERSITA
Additional Information:	Copyright for this article belongs to VERSITA, WARSAW, POLAND
Keywords:	polyaniline;lead oxide;DC conductivity;DSC;SEM
Department/Centre:	Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited:	01 Feb 2013 14:14
Last Modified:	01 Feb 2013 14:14
URI:	http://eprints.iisc.ac.in/id/eprint/45683

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