Oxygen reduction at sparse arrays of platinum nanoparticles in aqueous acid: hydrogen peroxide as a liberated two electron intermediate.

Electrodeposition methods are used to generate a sparse array of platinum nanoparticles on a glassy carbon electrode. Specifically electrodeposition from a 1 mM solution of H2PtCl6 in 0.5 M H2SO4 leads to surface coverages of 0.46% to 1.96% and nanoparticles of size 29 nm to 136 nm in diameter, usin...

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Bibliographic Details
Main Authors: Gara, M, Laborda, E, Holdway, P, Crossley, A, Jones, C, Compton, R
Format: Journal article
Language:English
Published: 2013