期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 475, 期 1-2, 页码 702-705出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2008.07.096
关键词
Nanostructures; Precipitation; X-ray diffraction
资金
- High Tech Research and Development Project [2008AA10Z419]
- Young Food Scientist Research Award of Jiangnan University [FS-200802]
- Research Program of State Key Laboratory of Food Science and Technology
Ceria nanoparticles doped by different transition metals were prepared by the reverse coprecipitation method via the reaction of Ce(NO3)(3) aqueous solution, where different metal cation was dissolved, to NH3 center dot H2O aqueous solution. The doped ceria nanoparticles were sythesized and characterized using X-ray diffraction, transmission electron microscopy, Fourier transformation infrared spectroscopy, ultraviolet and visible spectroscopy. It was found that the doped ceria nanoparticles with transition metals could apparently shift the ultraviolet and visible absorption band of CeO2 towards a visible range and significantly improve their optical activity. (C) 2008 Published by Elsevier B.V.
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