| 光谱学与光谱分析 |
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| Preparation of Ce-Loaded Nano-TiO2 and Study on Its UV-Vis Reflective Spectrum |
| LIU Xue-feng1, 3, ZHANG Li2, TU Ming-jing3 |
1. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
2. Library, Chongqing Institute of Technology, Chongqing 400050, China
3. Department of Metallic Materials, Sichuan University, Chengdu 610065, China |
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Abstract Ce-loaded nano-TiO2 was prepared by the loading technology of metallic ions, and was characterized by XRD and TEM. The UV-Vis reflective spectra of nano-TiO2 and Ce-loaded nano-TiO2 were analyzed. The result shows that after loading rare earth element Ce the reflective spectral characteristic of nano-TiO2 moves to the visible region with a red shift to 500 nm, and the obvious change takes place in the absorbance in the visible spectral range with a three-fold enhancement. It is indicated that the load of rare earth element Ce is favorable to enhancing the absorption of visible and UV light of anatase nano-TiO2, and thereby greatly increases its photocatalytic activity.
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Received: 2003-09-19
Accepted: 2004-02-12
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Corresponding Authors:
LIU Xue-feng
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| Cite this article: |
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LIU Xue-feng,ZHANG Li,TU Ming-jing. Preparation of Ce-Loaded Nano-TiO2 and Study on Its UV-Vis Reflective Spectrum [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(02): 274-276.
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http://www.gpxygpfx.com/EN/Y2005/V25/I02/274 |
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