Surface Modification of Semiconductor Photocatalyst
WANG Chuan Yi, LIU Chun Yan * , SHEN Tao (Institute of Photographic Chemistry, Academia Sinica, Beijing, 100101)
The progresses in the surface modification of semiconductor photocatalyst, concerning the types, mechanisms and effects, are reviewed. The modification methods are followed into: (1) dye sensitization, (2) composite of semiconductors, (3) metal deposition and (4) ions modifying. They are compared, and the improvements are proposed.