PHOTOCATALYST MATERIAL, METHOD FOR DECOMPOSITION OF ORGANIC MATERIAL, INTERIOR MEMBER, AIR PURIFICATION DEVICE, AND APPARATUS FOR PRODUCTION OF OXIDIZING AGENT
The present invention provides a tungsten trioxide microparticle carrying on its surface divalent copper salt. The divalent copper salt is utilized to perform a multi-electron reduction of oxygen. The tungsten trioxide exhibits a high oxidative decomposition activity when exposed to visible light.