Preparation of TiO2 Thin Film and Its Antibacterial Activity |
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作者姓名: | XUWei-guo CHENAn-mini CHANGQiang |
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作者单位: | [1]AffiliatedTongjiHospital,HuazhongUniversityofScienceofTechnology [2]WuhanUniversityofTechnology,HuazhongUniversityofScienceofTechnology |
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摘 要: | TiO2 nanometer thin films with photocatalytic antibacterial activity were prepared by the sol-gel method on fused quartz and soda lime glass precoated with a SiO2 layer. The thin films were characterized by X-ray photoelectron spectroscopy ( XPS ), scanning electron microscopy (SEM), and X- ray diffraction ( XRD ). The results show that sodium and calcium diffusion into nascent TiO2 film is effectively retarded by the SiO2 layer precoated on the soda lime glass, The antibacterial activity of the films was determined. The crystalline of TiO2 nanometer thin film has important effects on the antibacterial activity of the film.
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关 键 词: | 二氧化钛薄膜 抗菌活性 溶胶-凝胶法 钠钙玻璃 二氧化硅 |
收稿时间: | 23 June 2003 |
修稿时间: | 26 December 2003 |
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