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Effect of the Morphology of Porous TiO2Film on the Photocatalytic Properties

ZHAO Qingnan, YU Jiaguo, ZHAO Xiujian, MU Shanbin

（Wuhan University of Technology）

Abstract: Porous TiO2films on glazed tile substrates were prepared from sol－gel solutions containing polyethylene glycol （PEG）‚it was found by scanning electron microscopy that the size of pores was related to the amount of PEG under certain heat treatment ‚the results of photocatalytic rate showed that porous TiO2films had good photocatalytic properties for decomposition of organophosphorous insecticide． 

Keywords: sol－gel‚TiO2film‚pore size‚photocatalytic rate‚glazed tile


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