Electro-Characterization of Polypyrolle Electrosynthesized on a Montmorillonite Host-Matrix, in Aqueous Media Containing Sulphuric Acid as Supporting Electrolyte

Abstract

In this paper polypyrolle has been electrosynthesised from an aqueous media containing the pyrolle monomer and sulphuric acid as the supporting electrolyte. The redox properties of polypyrolle on carbon graphite working electrode and on a clay montmorillonite host matrix has also been reported. The results obtained from plots of oxidative and reductive peak currents yield redox efficiencies above 95% for the polypyrolle redox process. The polypyrolle redox process is also shown to be diffusion limited. The reduction in the rate of electrodeposition of polypyrolle on a polyaniline loaded clay montmorillinite host-matrix, is a veiled confirmation of intercalation of the polyaniline in montmorillonite matrix. KeyWords:Polypyrolle, Polyaniline, Electrosynthesised, Clay Montmorillonite (bentonite), Cyclicvoltammogram, Host matrix