Photoelectrochemical Property of Tungsten Oxide Films of Vertically Aligned Flakes for Visible-Light-Induced Water Oxidation

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概要

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• A vertically arrayed flake film, "flake-wall film," of monoclinic tungsten oxide (WO3) was prepared on a transparent conductive glass by controlling anisotropic crystal growth and self-arrayed growth of WO3 hydrate with a layered crystal structure. The WO3 flake-wall film exhibited superior performance for photoelectrochemical water oxidation under visible-light irradiation compared to that of a film consisting of horizontally laminated WO3 flakes. The small differences between photocurrents under front-side irradiation and back-side irradiation and between photocurrents in the absence and the presence of methanol indicate the excellent electron transport property and long photogenerated carrier lifetime in the flake-wall film.

著者

• Amano Fumiaki

  Catalysis Research Center Hokkaido University

関連論文

• Photoelectrochemical Property of Tungsten Oxide Films of Vertically Aligned Flakes for Visible-Light-Induced Water Oxidation
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