A photocatalytic composition comprising metal particles and two types of semiconductors, wherein the two types of semiconductors include one made of indium oxide.

摘要

The present invention relates to the first semiconductor SC1, the IVB group, the VB group, the VIB group, the VIIB group, the VIIIB group, the IB group, the MB group, the NIA group, the IVA group of the periodic table. And a composition containing particles containing at least one metal state element M selected from Group VA elements, and a second semiconductor SC2 containing indium oxide, wherein the first semiconductor SC1 comprises: Directly in contact with the particles containing one or more metal state elements M, the particles are in direct contact with the second semiconductor SC2 containing indium oxide, and the second semiconductor SC2 Relates to a composition covering at least 50% of the surface of particles comprising one or more metallic state elements M. The invention also relates to the preparation method and its use in photocatalysis.