Patent ID: 9662645
Date: 2017-05-30
CPC Classifications: B01J,C04B,Y10T

Claim:
1. A photocatalyst member comprising a base, a glaze layer provided on the base, and a photocatalyst layer which is provided on the glaze layer, has an external surface, and contains titanium oxide and zirconium titanate, wherein: the content of zirconium titanate in the photocatalyst layer is 35 to 65% by mass based on the total content of titanium oxide and zirconium titanate; and the content of zirconium titanate, in an area of the photocatalyst layer extending from an interface between the photocatalyst layer and the glaze layer to a median line in the thickness of the photocatalyst layer, is larger than the content of zirconium titanate in an area of the photocatalyst layer near the external surface of the photocatalyst layer.