Electrocatalysis at conductive diamond modified by noble-metal oxides

In the present work, a generalization of some of the interpretations of het erogeneous catalysis to the case of oxide film electrocatalysts has been at tempted, using conductive boron-doped diamond supports. The very high stabi lity of this material allowed the study of the catalytic properties of nobl e-metal oxide modifications from the level of submonolayer to a few monolay ers, avoiding the serious interference of the reactivity of the generally a dopted metal supports. A mechanism for the chlorine evolution reaction at s ubmonolayers of oxide electrocatalyst has been proposed, basing on a chlori ne radical spillover stage.