is an object of the present invention to provide a visible-light-responsive catalyst material efficiency is also excellent in the indoor light source. A porous metal oxide film and a photocatalytic material containing metallic particles formed on the surface of the porous metal oxide film is provided.BACKGROUND 1【課題】室内光源でも効率が優れた可視光応答型光触媒材を提供すること。【解決手段】多孔性金属酸化物膜、及び前記多孔性金属酸化物膜の表面に形成された金属粒子を含む光触媒材が提供される。【選択図】図1