Visible-light-responsive three-dimensional fine cell structure photocatalytic filter, method of manufacturing the same, and purification device

Visible-light-responsive three-dimensional fine cell structure photocatalytic filter according to the present invention had a porosity of 85 vol% or more of the sponge-like porous structure (A) surface, it is formed titanium oxide film of anatase-type, and the sponge-like porous structure (A) is, (a) carbon, and silicon and / or silicon alloy, (b) silicon, at least one silicon alloy, carbon, selected from the group consisting of, as well as silicon carbide , at least one, and silicon nitride, (d) carbon, (e) a titanium, vanadium, chromium, manganese, iron, cobalt, nickel selected from (c) silicon, silicon alloys, carbon, silicon carbide, consisting of the group, copper, ruthenium, rhodium, palladium, silver, platinum, any one metal selected from the group consisting of gold from, as well as selected from the group consisting of carbon, It is is made of sponge-like porous structure (B) containing any one kind.