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具有催化活性TiO₂薄膜的制备及表征

Preparation and Characterization of Photocatalytic TiO₂ Film

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【Author】 LU Ping 1, YAO Ming-ming 1, ZHANG Ying 1, CUI Yu 1, XIA Guang-min g 2 (1.School of chemistry and chemical engineering, Jinan University, Jinan,250022, China; 2.The state key laboratory of crystal materials, Shandong University, Jinan,2501 00,China)

【机构】济南大学化学与化工学院；山东大学晶体材料国家重点实验室济南； 250022；济南； 250100；

【摘要】采用溶胶法制备TiO2 溶胶 ,用浸渍 -提拉方式在普通玻璃表面制成锐钛矿相TiO2 薄膜 .实验结果表明 :最佳镀膜次数为三次 ;掺杂Mo离子对于提高TiO2 膜的光催化活性有明显的促进作用 .用电镜分析 (SEM)及X射线衍射法 (XRD)确定了晶型及晶粒的大小 ;用光电子能谱 (XPS)测定了其微观成分及其含量更多还原

【Abstract】 The TiO 2 films were prepared by soak - raise in TiO 2 sol prepared by hydrolysis oftitanium butoxied. The results show that the optimal thickness for the catalyzing TiO 2 film is got by three times plated and doping Mo 3 + can enhance the photocatalysis. The TiO 2 film wascharacterized by SEM XRDXPS. The effects on photocatalysis properties of TiO 2 film on glass and t he method to improve it were discussed.更多还原