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Recently, photocatalytic oxidation of pollutant in air with semiconductor photocatalyst is a hot spot in environmental science. The feasibility study of photochemical active of degrade H2S by SiO2, WO3 doping on TiO2 thin film has been taken. SiO2/TiO2 and WO3/TiO2 composite photocatalyst thin films have been made, and its purification capacity of H2S gas has been tested. X-ray diffraction and scanning...
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