兰宇卫,周立亚,童张法,庞起,冷利民,韩建鹏,王凡

• 1:广西大学化学化工学院
• 2:中国科学院半导体研究所半导体材料科学重点实验室
• 3:玉林师范学院化学与生物系

摘要(Abstract)：

室温下在NH4F、乙二醇的混合溶液中采用阳极氧化法在纯Ti片表面得到一层结构高度有序、分布均匀、垂直取向TiO2纳米管阵列,通过调整阳极氧化工艺条件可实现对其结构参数(如管径、管壁厚度、管长等)的有效控制;对TiO2纳米管阵列进行扫描电子显微镜(SEM)、X-射线衍射(XRD)检测;测试了TiO2纳米管降解甲基橙的光催化性能。结果表明:在优化条件下制备得到了高密度排列的TiO2纳米管阵列;在500 W高压汞灯照射40 min后,初始摩尔浓度为20 mg·L-1的甲基橙在pH=2.0时,降解率达到99.4%,溶液中加入H2O2可以提高TiO2纳米管光降解催化活性。

关键词(KeyWords)： TiO2纳米管阵列;阳极氧化;乙二醇;光催化降解

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(20863008);; 广西大学科研基金(090005);; 中国科学院半导体研究所半导体材料科学重点实验室开放基金(KLSMS-0905)

作者(Author): 兰宇卫,周立亚,童张法,庞起,冷利民,韩建鹏,王凡

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