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Issue 15, 2018
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Accelerated one-pot synthesis of coated magnetic nanoparticles from iron(II) as a single precursor

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Abstract

In spite of the progress in synthetic methods to obtain nanoparticles, particularly magnetite either uncoated or coated, the implementation of easier, faster and reproducible protocols to obtain well-defined nanoparticles is still a challenge. In this work we present a one-pot approach to synthesize Fe3O4 nanoparticles uncoated and coated with dodecylamine (DDA), starting from a single iron precursor (FeCl2) and incorporating a non-conventional stirring regime into the procedure. The products were characterized by XRD, TEM, TGA, FT-IR and Mössbauer spectroscopy, confirming the obtaining of the target materials. The magnetic measurements showed that the coated nanoparticles (Fe3O4@DDA) exhibited a higher saturation magnetization (Ms) and smaller coercivity (Hc) than the uncoated ones. The compromise between the saturation magnetization displayed by Fe3O4@DDA nanoparticles and the ease of its synthesis shows the potential of the method to obtain materials applicable to medical therapies.

Graphical abstract: Accelerated one-pot synthesis of coated magnetic nanoparticles from iron(ii) as a single precursor

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Publication details

The article was received on 09 May 2018, accepted on 02 Jul 2018 and first published on 03 Jul 2018


Article type: Paper
DOI: 10.1039/C8NJ02270D
Citation: New J. Chem., 2018,42, 13107-13113
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    Accelerated one-pot synthesis of coated magnetic nanoparticles from iron(II) as a single precursor

    J. Cruz-Vargas, F. Belmont-Bernal, C. G. Vera-De la Garza, J. L. Pérez Mazariego, R. W. Gómez González, L. V. Henao-Holguín, I. D. Rojas-Montoya and P. Guadarrama, New J. Chem., 2018, 42, 13107
    DOI: 10.1039/C8NJ02270D

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