Effect of TiO₂/WO₃/C photoanode composition on the photocurrent of all-solid photoelectrochemical cells
by Jenia Georgieva, Sotiris Sotiropoulos, Stephan Armyanov, Ioannis Poulios
International Journal of Nanoparticles (IJNP), Vol. 4, No. 2/3, 2011

Abstract: High surface area electrodes made of TiO₂+WO₃+C powder coatings have been prepared and tested as photoanodes in mini-photoelectrochemical cells based on Nafion® electrolyte-impregnated microporous membranes. Photovoltammetry and constant potential photoamperometry, carried out at the (TiO₂+WO₃+C)/Nafion® photoanode of an all-solid device in a gas stream saturated with water vapour or with the vapours of methanol aqueous solution under UV and visible (Vis) light illumination, results in well-defined photoelectrochemistry. The effect of TiO₂/WO₃/C photoanode composition on the photocurrent of all-solid photoelectrochemical cells was studied. The possibility of using C+TiO₂+WO₃ powder catalyst as a photoanode in an all-solid photoelectrochemical cell with a polymer electrolyte for air treatment has been demonstrated.

Online publication date: Fri, 13-Mar-2015

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