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Well-Dispersed Fe3O4/SiO2 Nanoparticles Synthesized by a Mechanical Stirring and Ultrasonication Assisted Stöber Method

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Abstract

Core–shell structured Fe3O4/SiO2 nanoparticles (NPs) sized 40–50 nm with a narrow size distribution have been synthesized by a mechanical stirring and ultrasonication assisted Stöber method at the room temperature. It is shown that the combination of the ultrasonication and mechanical stirring during the preparation process benefits the formation of the well-dispersed NPs. The Fe3O4/SiO2 core–shell microstructure is identified with X-ray diffraction and transmission electron microscopy measurements and such NPs exhibit superparamagnetism.

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Acknowledgments

This work was supported by the Natural Science Foundation of Shandong Province of China (Y2007F44).

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Authors and Affiliations

  1. School of Material Science and Engineering, University of Jinan, Jinan, 250022, China

    Xuejiao Sun, Futian Liu, Li Sun, Qun Wang & Yongling Ding

Authors
  1. Xuejiao Sun
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  2. Futian Liu
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  3. Li Sun
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  4. Qun Wang
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  5. Yongling Ding
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Corresponding author

Correspondence to Futian Liu.

Additional information

Presented in part at the 1st International Congress on Advanced Materials held in Jinan, PRC, from May 12–17, 2011.

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Sun, X., Liu, F., Sun, L. et al. Well-Dispersed Fe3O4/SiO2 Nanoparticles Synthesized by a Mechanical Stirring and Ultrasonication Assisted Stöber Method. J Inorg Organomet Polym 22, 311–315 (2012). https://doi.org/10.1007/s10904-011-9609-0

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  • DOI: https://doi.org/10.1007/s10904-011-9609-0

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