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Low temperature and size controlled synthesis of monodispersed γ-Fe2O3 nanoparticles by an epoxide assisted sol–gel route

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Abstract

Monodispersed γ-Fe2O3 nanoparticles were prepared by a procedure-simple and precursor-cheap route, epoxide assisted sol–gel method. The γ-Fe2O3 nanoparticles were obtained by the reaction of FeCl2 in ethanol solution with propylene oxide to form the sol, following by the boiling of the solution. As compared with other metal ions of +2 formal charge, the unexpected acidity of FeCl2 in ethanol solution assure the formation of sol. As an advantage, the unique chemistry of this route results in the low temperature of synthesis, leading to the extremely small particle size of 2.3 nm and non-aggregation state of the particles.

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Authors and Affiliations

  1. College of Chemistry and Biology, Yantai University, Yantai, 264005, China

    Hongtao Cui & Wanzhong Ren

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  1. Hongtao Cui
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  2. Wanzhong Ren
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Correspondence to Hongtao Cui.

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Cui, H., Ren, W. Low temperature and size controlled synthesis of monodispersed γ-Fe2O3 nanoparticles by an epoxide assisted sol–gel route. J Sol-Gel Sci Technol 47, 81–84 (2008). https://doi.org/10.1007/s10971-008-1695-2

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  • DOI: https://doi.org/10.1007/s10971-008-1695-2

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