Abstract
Narrow range of visible light response and low photo-quantum are the “bottleneck” for the development of Titanium dioxide film. Doping with other ions can improve the absorption rate of visible light and improve the TiO2 photocatalytic activity by reducing the band gap of TiO2 effectively and changing the electron-hole recombination rate. The recent progress of photocatalytic performance of ions-doped TiO2 films is reviewed in this paper. Finally, the current existing problems are also presented.
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