Morphological and photoelectrochemical propertiesof porous, superimposed Au/TiO2 layers |
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Authors: | O. Enea B. Zaytouni J. Moser |
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Affiliation: | (1) Laboratoire de Chimie 4, URA CNRS 350, Universite´ de Poitiers, 40, avenue du Recteur Pineau, 86022 Poitiers, France;(2) Institut de Chimie Physique, EPFL, CH-1015 Lausanne, Switzerland |
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Abstract: | Porous semiconducting ceramics deposited on a porous metallic film acting both as catalyst and electronic collector gave large photocurrents and considerably enhanced electrooxidation currents when irradiated in the presence of small amounts of alcohol vapours. The morphological properties of these layered materials, was studied by electron (SEM, ESEM) and atomic force (AFM) microscopy in order to observe the modification in shape and size of the precursor particles because such knowledge is helpful to the preparation of suitable anodes for photo-assisted processes in the gas-phase. |
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Keywords: | titanium dioxide ceramic porous metallized photoanode electrooxidation |
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