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Journal of NanomaterialsVolume 2011 2011, Article ID 837123, 5 pages

Research Article

Department of Chemistry, Capital Normal University, Beijing 100048, China

Institute of Functional Materials, College of Chemistry and Chemical Engineering, Fuzhou University, Fujian 350002, China

College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China

Received 9 April 2010; Accepted 1 June 2010

Academic Editor: William W. Yu

Copyright © 2011 Yang Tian et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

nanoparticle was synthesized in the solution involving water and ethanol. Then, shell was produced in situ on the surface of the nanoparticle by surface oxidation in molten salts, forming core-shell nanostructure. It was showed that the magnetic properties transformed from ferromagnetism to superparamagnetism after the primary nanoparticles were oxidized. Furthermore, the obtained core-shell nanoparticles were used to photocatalyse solution of methyl orange, and the results revealed that nanoparticles were more efficient than the self-prepared nanoparticles. At the same time, the photocatalyzer was recyclable by applying an appropriate magnetic field.





Autor: Yang Tian, Di Wu, Xiao Jia, Binbin Yu, and Sihui Zhan

Fuente: https://www.hindawi.com/



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