| 钴掺杂二氧化钛光催化剂制备及光催化活性 |
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| 引用本文： | 袁春华,谢英娜.钴掺杂二氧化钛光催化剂制备及光催化活性[J].无机盐工业,2011,43(11):31-33. |
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| 作者姓名： | 袁春华 谢英娜 |
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| 作者单位： | 内蒙古科技大学化学与化学工程学院,内蒙古包头 014010 |
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| 基金项目： | 内蒙古包头市科技局资助项目，内蒙古科技大学创新基金 |
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| 摘 要： | 采用溶胶-凝胶法制备了纯二氧化钛和不同钴掺杂量的二氧化钛复合纳米粒子。并用XRD、UV-Vis对样品组织结构进行了表征。以甲基橙（OM）的光催化降解为探针反应，评价了可见光催化活性，研究了不同热处理温度、不同钴掺杂量对二氧化钛光催化性能的影响。确定了最佳钴掺杂量和热处理温度分别为1%（物质的量分数）和600 ℃。在此条件下，钴的掺杂对二氧化钛的相变有很大的抑制作用，并使其光谱响应范围向可见光区拓展。与未掺杂的二氧化钛相比较，经钴掺杂的二氧化钛具有更高的催化性能。
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| 关 键 词： | 钴掺杂 二氧化钛 光催化降解 甲基橙 |
Preparation of cobaltdoped titania photocatalysts and photocatalytic activity thereof |
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| Yuan Chunhua,Xie Yingna.Preparation of cobaltdoped titania photocatalysts and photocatalytic activity thereof[J].Inorganic Chemicals Industry,2011,43(11):31-33. |
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| Authors: | Yuan Chunhua Xie Yingna |
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| Affiliation: | School of Chemistry and Chemical Engineering,Inner Mongolia University of Science & Technology,Baotou 014010,China |
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| Abstract: | Pure TiO2 and Co-doped TiO2 composite nano-particles with different mix ratios were prepared by sol-gel method and the prepared samples were characterized by means of XRD and UV-Vis.Photocatalytic degradation of methylene orange(OM) in aqueous solution was used as a probe reaction to evaluate their photocatalytic activity.Influences of different treatment temperatures and doping rates on photocatalystic activity of TiO2 were also studied and the best doping rate of 1%(amount-of substance fraction) and best ... |
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| Keywords: | cobalt doping titana photocatalytic degradation methyl orange |
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