7Li Z X, Li F B,Yang C L. Photocatalytic activity of WO,-TiO2 under visible light irradiation [J]. Journal of Photochemistry and Photobi- ology A : Chemistry, 2001,141 (2/3) : 209-217.
8Li Lingzhi, Yan Bing. CeOBi203 nanocomposite: Two step synthesis, microstructureand photocatalytic activity [J]. Journal of Non-Crys- talline Solids, 2009,355 ( 13 ) :776-779.
9Karunakaran C, Dhanalakshmi R. Photocatalytic performance of pa- rticulate semiconductors under natural sunshine-Oxidation of car- boxylic acids [J]. Solar Energy Materials & Solar Cells,2008,92 (5) :588-593.
10Agatino D, Elisa G L, Giuseppe M. A survey of photoeatalytic mate- rials for environmental remediation [J]. Journal of Hazardous Mate- rials, 2012,211/212 : 3-29.