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Controlled preparation of monodisperse CoFe2O4 nanoparticles by a facile method

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Abstract

CoFe2O4 nanoparticles (NPs) were synthesized by coprecipitation method using FeCl3·6H2O and CoCl2·6H2O as precursors. The synthesized conditions were optimized, such as added means of precipitator, quantity of precipitator, the mol ratio of Fe3+ to Co2+, reaction temperature and pH value. The synthesized material was characterized by XRD, TEM, FTIR, EDS, Raman and its magnetic properties were studied by VSM. The experimental results confirm that the sample is cubic spinel structure CoFe2O4 with a narrow size distribution and a good dispersion feature. CoFe2O4 NPs with well-controlled shape and size was obtained at 70 °C. The magnetic properties indicate superparamagnetic behavior and good saturated magnetization.

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Authors and Affiliations

  1. Key Laboratory of Fiber Optic Sensing Technology and Information Processing of Ministry of Education, Wuhan University of Technology, Wuhan, 430070, China

    Hai Wang  (王海), Jun Huang, Liyun Ding & Chao Wang

  2. Department of Chemical Engineering and Materials Science, Stevens Institute of Technology, Castle Point on Hudson, Hoboken, NJ, 07030, USA

    Yun Han

Authors
  1. Hai Wang  (王海)
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  2. Jun Huang
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  3. Liyun Ding
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  4. Chao Wang
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  5. Yun Han
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Correspondence to Hai Wang  (王海).

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Funded by the National Natural Science Foundation of China (No.60877048)

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Wang, H., Huang, J., Ding, L. et al. Controlled preparation of monodisperse CoFe2O4 nanoparticles by a facile method. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 26, 257–261 (2011). https://doi.org/10.1007/s11595-011-0209-1

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  • DOI: https://doi.org/10.1007/s11595-011-0209-1

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