VISIBLE LIGHT-RESPONSIVE PHOTOCATALYST BODY AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO/2015/022960

A1

A visible light-responsive photocatalyst body that is obtained by forming a porous titanium oxide coating film, which contains sulfur and has micropores in the surface, on the surface of a titanium or titanium alloy base by performing anodic oxidation on the surface of the base using an electrolytic bath containing sulfur and then subjecting the base after anodic oxidation to a heat treatment. The base has a thickness of 0.005-0.6 mm. The titanium dioxide contained in the titanium oxide coating film has an anatase crystal structure.

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FUJII YUUKI (JP)
MIURA YUTA (JP)
MIYAO YUKIMITSU (JP)

PCT/JP2014/071288

February 19, 2015

August 12, 2014

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TOYO SEIHAKU CO LTD (JP)

B01J27/04; B01J35/02; B01J37/34; C25D11/26

M.R. BAYATI ET AL.: "Micro-arc oxidized S-Ti02 nanoporous layers: Cationic or anionic doping?", MATERIALS LETTERS, vol. 64, 2010, pages 2215 - 2218
M.R. BAYATI ET AL.: "The effect of growth parameters on photo-catalytic performance of the MAO-synthesized Ti02 nano-porous layers", MATERIALS CHEMISTRY AND PHYSICS, vol. 120, 2010, pages 582 - 589
AHN, S. ET AL.: "Characterization of Anodized Titanium Oxide Film and Photocatalytic Decomposition of Methylene Blue with Microcurrent", J. ADV. OXID. TECHNOL., vol. 10, no. 2, 2007, pages 354 - 360

TAKAISHI Kitsuma (JP)
Kitsuma Takaishi (JP)

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