Platinium-Ruthenium electrocatalyst as sensor electrode for methanol oxidation

Subject Areas : Journal of Physical & Theoretical Chemistry

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Received: 2015-05-30 Accepted : 2015-05-30 Published : 2011-02-01

Keywords: Polyaniline, Nanocomposite, Pt-Ru Nanoparticles, Micro emulsion, methanol oxidation,

Abstract :

Hybrid nanocomposites of binary Pt-Ru/Polyaniline were prepared by oxidative polymerization of aniline andformation Pt and Ru nanoparticles. The polymerization of aniline was carried out in the presence of Potassiumhexa cyano Platinate (IV) and Ruthenium (III) nitrosyl nitrate as oxidizing agents. During the reaction anilinemonomers undergo oxidation and form polyaniline (PANi) whereas the reduction of cations, result thefomiation of Pt and Ru nanoparticles. Nano-sized Pt and Ru particles were prepared by controlled reduction ofprecursors in micro emulsion medium, stabilized with the Sodium Dodecyl Sulfate. Micro emulsion solutionacts as both emulsifier and dopant to obtain stable nanocomposite. Pt-Ru/PAn nanocomposites are characterizedby cyclic voltammetry (CV). FT-IR spectroscopy and scarmine microelectronic microscopy (SEM).

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Platinium-Ruthenium electrocatalyst as sensor electrode for methanol oxidation