Large-Scale Synthesis, Size Control, and Anisotropic Growth of &gamma-Fe₂O₃ Nanoparticles: Organosols and Hydrosols

Authors: Tzitzios, V.K.; Bakandritsos, A.; Georgakilas, V.; Basina, G.; Boukos, N.; Bourlinos, A.B.; Niarchos, D.; Petridis, D.

Source: Journal of Nanoscience and Nanotechnology, Volume 7, Number 8, August 2007 , pp. 2753-2757(5)

Publisher: American Scientific Publishers

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Abstract:

Monodispersed, spherical γ-Fe₂O₃ nanoparticles with controllable size in large-scale were prepared by thermolytic decomposition of FeCl₃ · 6H₂O in aliphatic amines. The nanoparticles gave very stable colloidal solution in organic solvents and can be easily converted to water-soluble by a very simple route. Their characterisation was based on TEM microscopy, XRD, Mössbauer, and magnetic measurements. Furthermore, a small amount of Pt can lead to the formation of anisotropic γ-Fe₂O₃ nanostructures.

Keywords: NANOPARTICLES; GAMMA-FE2O3; CHEMICAL SYNTHESIS; SIZE CONTROL; LARGE-SCALE

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jnn.2007.605

Publication date: 2007-08-01

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