PHOTOCATALYST WITH CATALYTIC ACTIVITY EVEN IN VISIBLE-LIGHT RANGE

摘要

Photocatalyst according to the present invention for the extraction of high catalytic function in the visible light region, together with a photocatalytic property also has a conduction band energy level and the valence band energy level of the normal electron of the electron of the bottom portion of the energy band structure, based on the vacuum level, respectively with configured by an oxide complex having different oxide semiconductor junction by (I) and (II), at least the oxide semiconductor (I) is a visible light region is characterized by having a photocatalytic property. The claw-related oxide structures Pyro of Ce ₂ Zr ₂ O _8.0, In addition, the titanium oxide of anatase type as the oxide semiconductor (II) are exemplified as the oxide semiconductor (I) with a photocatalytic property in visible light region.