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Acta Physico-Chimica Sinica  2006, Vol. 22 Issue (10): 1212-1216    DOI: 10.3866/PKU.WHXB20061008
Article     
Synthesis of Fe3+-modified SnO2 Nanoparticles by Hydrothermal Method
FANG Li-Mei;LI Zhi-Jie;LIU Chun-Ming;ZU Xiao-Tao
Department of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China
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Abstract  Fe3+-modified SnO2 nanoparticles were directly prepared by hydrothermal method, and were characterized by X-ray diffraction (XRD), transmission electron microscope (TEM), Fourier transform infrared (FT-IR) spectroscopy, and UV-Vis diffuse reflectance spectra (DRS). It was found that rutile phase was directly synthesized without calcination. The Fe3+-modified SnO2 nanoparticles were well dispersed with narrow size distribution. The crystalline size of SnO2 decreased from 6.0 to 3.8 nm when the Fe3+ content increased from 0 to 20%. The specific surface area of pure SnO2 was 206.1 m2•g−1, and it increased to 259.8 m2•g−1 when Fe content was 15%. A considerable red shift in the absorbing band edge was observed as increase of Fe3+ content. XRD and DRS proved that Fe3+ and SnO2 formed solid solution nanoparticles.

Key wordsSnO2      Nanoparticles      Hydrothermal      Modified     
Received: 04 April 2006      Published: 11 October 2006
Corresponding Authors: ZU Xiao-Tao     E-mail: xtzu@uestc.edu.cn
Cite this article:

FANG Li-Mei;LI Zhi-Jie;LIU Chun-Ming;ZU Xiao-Tao. Synthesis of Fe3+-modified SnO2 Nanoparticles by Hydrothermal Method. Acta Physico-Chimica Sinica, 2006, 22(10): 1212-1216.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20061008     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2006/V22/I10/1212

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