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Issue 9, 2008
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Fe3O4 polyhedral nanoparticles with a high magnetization synthesized in mixed solventethylene glycol–water system

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Abstract

We report a solvothermal approach for the synthesis of high-magnetization Fe3O4 polyhedral nanoparticles in the ethylene glycol (EG)–H2O system. In this approach, ferric chloride (FeCl3·6H2O) is used as the iron source, and EG acts as both the solvent and reductant in the presence of sodium hydroxide (NaOH) and dodecylamine (DDA). The presence of deionized water plays an important role in the control over the size of Fe3O4 particles. The Fe3O4 particles prepared are well dispersed with single-crystal-like features, showing superparamagnetism with a high saturation magnetization close to that of bulk Fe3O4 (92 emu g−1). The stability of the Fe3O4nanoparticles in deionized water is also investigated.

Graphical abstract: Fe3O4 polyhedral nanoparticles with a high magnetization synthesized in mixed solvent ethylene glycol–water system

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Publication details

The article was received on 17 Dec 2007, accepted on 07 Apr 2008 and first published on 07 May 2008


Article type: Paper
DOI: 10.1039/B719436F
New J. Chem., 2008,32, 1526-1530

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    Fe3O4 polyhedral nanoparticles with a high magnetization synthesized in mixed solvent ethylene glycol–water system

    S. Cao, Y. Zhu and J. Chang, New J. Chem., 2008, 32, 1526
    DOI: 10.1039/B719436F

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