Electrochemical oxidation of methanol on Pt nanoparticles dispersed on RuO2

Article Abstract:

The preparation of Pt-RuO2 by a sol-gel process in the form of thin films supported on titanium substrates, is studied and detailed. The results obtained show an enhancement effect for methanol oxidation that can be interpreted as associated to the formation of hydrous oxides on the RuO2 surface.

Oxidation-reduction reaction, Oxidation-reduction reactions

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Adsorption of atomic hydrogen at a nanostructured electrode of polyacrylate-capped Pt nanoparticles in polyelectrolyte

Article Abstract:

Atomic hydrogen electrosorption is reported at crystallite sites of polyacrylate-capped Pt nanoparticles. The cyclic voltammetry revealed negative shifts in adsorption potentials, which resulted in the Pt nanoparticle surface modification and the polyelectrolyte environment.

Analysis, Voltammetry, Nanoparticles

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Microstructural heterogeneity for electrochemical activity in polycrystalline diamond thin film observed by electrogenerated chemiluminescence imaging

Article Abstract:

Electrogenerated chemiluminescence (ECL) is used to image the spatial variations in electrochemical activity at the heavily doped polycrystalline diamond surface. ECL was generated by the reaction of [Ru(bpy)3](super 2+) and tripropylamine.

Electrochemistry, Chemiluminescence

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