| abstract |
A high-durability photocatalyst film that is anlaminated film comprising a substrate film and anphotocatalytically active material layer formed thereon viana protective layer, wherein the substrate film is a filmnhaving specific performances in a weather resistance testnwith a sunshine weatherometer, the protective layer is annorganic-inorganic composite graded film and the abovenlaminated film exhibits specific performances in annaccelerated weather resistance test with a sunshinenweatherometer, and a structure having photocatalyticnfunctions on a surface formed of the above photocatalystnfilm. |