In-situ chemical synthesis route for a fiber shaped gold-polyaniline nanocomposite

A facile synthesis route is described for the preparation of a gold-polyaniline nanocomposite material by polymerization of aniline hydrochloride using HAuCl4 as the oxidant. It was found that the oxidative polymerization of aniline hydrochloride leads to the formation of polyaniline with a fiber-li...

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Bibliographic Details
Published in:Gold Bulletin 2008-01, Vol.41 (3), p.246-250
Main Authors: Mallick, Kaushik, Witcomb, Michael J, Scurrell, Michael S, Strydom, Andre M
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Materials Science
Metallic Materials
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Summary:A facile synthesis route is described for the preparation of a gold-polyaniline nanocomposite material by polymerization of aniline hydrochloride using HAuCl4 as the oxidant. It was found that the oxidative polymerization of aniline hydrochloride leads to the formation of polyaniline with a fiber-like morphology, while the concomitant reduction of HAuCl 4 results in the formation of gold nanoparticles of diameter 2–7 nm. The gold nanoparticles were highly dispersed and stabilized throughout the polyaniline fibers while being in intimate contact with the polymer. The combination formed a uniform metal-polymer composite material.
ISSN:0017-1557
2190-7579
DOI:10.1007/BF03214877