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Improved photocatalytic efficiency of a WO3 system by an efficient visible-light induced hole transfer
Srinivasan Anandan1, Masahiro Miyauchi
1Department of Metallurgy and Ceramic Science, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan.
Abstract:
Amorphous Cu(II) nanoclusters grafted WO(3) particles were coated on a smooth TiO(2) film, and site selective depositions of PbO(2) and metal Ag particles by photocatalytic processes were observed on TiO(2) and WO(3) due to transfer of holes to TiO(2), and accumulation of electrons in WO(3) respectively. As a result, the photocatalytic activity of TiO(2) modified Cu(II)-WO(3) increased ~3.5 fold higher than that of Cu(II)-WO(3).
