| 锐钛矿型TiO2水溶胶的低温制备及其表征 |
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| 引用本文： | 肜建娜,赵修建,刘保顺,何鑫.锐钛矿型TiO2水溶胶的低温制备及其表征[J].无机化学学报,2006,22(3):546-550. |
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| 作者姓名： | 肜建娜 赵修建 刘保顺 何鑫 |
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| 作者单位： | 武汉理工大学硅酸盐材料工程教育部重点实验室,武汉,430070 |
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| 摘 要： | Anatase titanium dioxide hydrosol was prepared at low temperature by a simple method. The title material was characterized by TEM, XRD, FTIR and BET, respectively. The photocatalytic activity of the as-prepared TiO2 was evaluated by the degradation of methyl orange solution under sunlight and the photocatalytic oxidation of acetone in air. The results showed that the titanium dioxide hydrosol was composed of anatase phase with average grain size of about 7 nm, and the crystallinity became more perfect with the increase of temperature. The BET surface areas were more than 220 m2·g-1 for these samples. It is found that the photocatalytic activity was much better for the higher heat processing temperature. Especially, the photocatalytic activity of the sample with a heat treatment of 110 ℃ was better than that of P25. In addition, TiO2 hydrosol also possessed good photocatalytic activity under the sunlight illumination.
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| 关 键 词： | TiO2水溶胶 锐钛矿(晶型) 比表面积 光催化 |
| 文章编号： | 1001-4861(2006)03-0546-05 |
| 收稿时间： | 2005-09-12 |
| 修稿时间： | 2005-12-22 |
Anatase TiO2 Hydrosol: Synthesis at Low temperature and Characterization |
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| RONG Jian-N,ZHAO Xiu-Jian,LIU Bao-Shun and HE Xin.Anatase TiO2 Hydrosol: Synthesis at Low temperature and Characterization[J].Chinese Journal of Inorganic Chemistry,2006,22(3):546-550. |
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| Authors: | RONG Jian-N ZHAO Xiu-Jian LIU Bao-Shun and HE Xin |
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| Institution: | Key Laboratory of Silicate Materials Science and Engineering, Wuhan University of Technology, Ministry of Education, Wuhan 430070,Key Laboratory of Silicate Materials Science and Engineering, Wuhan University of Technology, Ministry of Education, Wuhan 430070,Key Laboratory of Silicate Materials Science and Engineering, Wuhan University of Technology, Ministry of Education, Wuhan 430070 and Key Laboratory of Silicate Materials Science and Engineering, Wuhan University of Technology, Ministry of Education, Wuhan 430070 |
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| Abstract: | |
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| Keywords: | TiO2 hydrosol anatase BET surface area photocatalytic activity |
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