| 溶胶-凝胶法制备纳米TiO2/云母及光催化性能研究 |
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| 引用本文： | 王荣荣,吕珺,郭凌坤,郑治祥,吴玉程.溶胶-凝胶法制备纳米TiO2/云母及光催化性能研究[J].合肥工业大学学报(自然科学版),2011(11):1628-1631,1714. |
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| 作者姓名： | 王荣荣 吕珺 郭凌坤 郑治祥 吴玉程 |
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| 作者单位： | 合肥工业大学材料科学与工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(51072044;51172059); 中国博士后科学基金资助项目(20080430758); 安徽省自然科学基金资助项目(11040606M54) |
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| 摘 要： | 文章以钛酸四丁酯为钛源,采用溶胶-凝胶法制备了云母负载纳米TiO2光催化剂(TiO2/M),通过XRD、SEM、UV等手段对所制备的催化剂进行表征,并以甲基橙为模拟污染物检测其光催化活性；讨论了催化剂焙烧温度、光催化剂添加量及重复次数对光降解甲基橙活性的影响.结果表明,在焙烧温度为400～700℃时,纳米TiO2物相为...
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| 关 键 词： | 二氧化钛 云母 溶胶-凝胶 光催化 |
Preparation of nano TiO_2/mica by sol-gel method and its photocatalytic properties |
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| Abstract: | Using tetrabutyl titanate as the source of titanium,nano TiO2/mica photocatalyst(TiO2/M) were prepared by the sol-gel method.The as-prepared materials were characterized by XRD,SEM,and UV methods.The methyl orange was used as simulated contamination to test the photocatalytic activity of the materials.The influence of calcination temperature,adding amount and repetition times on the photodegradation activity of methyl orange was also discussed.The results showed that the phases of as-prepared materials were... |
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| Keywords: | TiO2 mica sol-gel photocatalysis |
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