| abstract |
(57) [Summary] [Object] To provide a novel heat-resistant photocatalyst structure having high photocatalytic activity. A photocatalyst structure obtained by forming a photocatalytically active thin film containing titanium oxide containing phosphorus oxide as a main component on a heat-resistant substrate, wherein the content of phosphorus oxide in titanium oxide is titanium oxide. 0.1 to 15% by weight, The photocatalyst structure has a film thickness of titanium oxide of 0.02 to 5 μm. |