Preparation and Characterization of Water Based and Double Enveloped Nano-Fe3O4 Magnetic Fluids

Abstract:

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The nanoparticles of Fe3O4 were prepared with chemical precipitation method, and then used sodium oleate and the lauryl sulfonic aid sodium as bilayer to envelope the ultra-fine Fe3O4 particles. Then stabilized water base magnetic fluid was obtained. The crystallization behavior and the surface of Fe3O4 nanoparticles after the modification were investigated with XRD and IR respectively; the particle size was studied with TEM; the magnetic properties were studied with VSM. The mechanism of bilayer surfactants that modified Fe3O4 magnetic nanoparticles was explained, and influencing factors of the magnetic fluid were discussed.

Info:

Periodical:

Advanced Materials Research (Volumes 152-153)

Edited by:

Zhengyi Jiang, Jingtao Han and Xianghua Liu

Pages:

1044-1048

DOI:

10.4028/www.scientific.net/AMR.152-153.1044

Citation:

L. Q. Li et al., "Preparation and Characterization of Water Based and Double Enveloped Nano-Fe3O4 Magnetic Fluids", Advanced Materials Research, Vols. 152-153, pp. 1044-1048, 2011

Online since:

October 2010

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Price:

$35.00

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