Nanostructured photoelectrodes based on WO(3): applications to photooxidation of aqueous electrolytes
Chemical Society reviews | 12 Dec 2012
CA Bignozzi, S Caramori, V Cristino, R Argazzi, L Meda and A Tacca
Some recent studies mainly addressing the preparation and the modification of nanostructured thin films based on WO(3) and their application to photoelectrolysis of aqueous electrolytes are reviewed with the aim of rationalizing the main factors at the basis of an efficient photoanodic response. WO(3) represents one of the few materials which can achieve efficient water photo-oxidation under visible illumination, stably operating under strongly oxidizing conditions; thus the discussion of the structure-related photoelectrochemical properties of WO(3) thin films and their optimization for achieving almost quantitative photon to electron conversion constitutes the core of this contribution.
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