Characteristics of Fe2O3/SiO2 Nano-Composites Particles Prepared by a Diffusion Flame with Premixed Precursor

Kang Ho Ahn; Jung Ho Ahn; K.-S. Jeon; Yong Ho Choa

doi:10.4028/www.scientific.net/MSF.449-452.1173

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HomeMaterials Science ForumMaterials Science Forum Vols. 449-452Characteristics of Fe2O3/SiO2 Nano-Composites...

Characteristics of Fe₂O₃/SiO₂ Nano-Composites Particles Prepared by a Diffusion Flame with Premixed Precursor

Abstract:

Fe2O3 nano-particles coated with SiO2 are synthesized using H2/O2 co-axial diffusion flame with the state-of-the-art electro-spraying (e-spray) technique at atmospheric condition. Fe(CO)5 and TEOS (tetra-ethyl-ortho-silicate) mixture in liquid phase is injected directly into the center of the flame using the electro-spraying method. The synthesized particle characteristics are analyzed with HRTEM, XRD, SQUID. The core (iron oxide)-shell(silica) structured spherical particles are obtained. Most of the particles synthesized are magemite() regardless of the particles sampling positions inside the flame.

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Periodical:

Materials Science Forum (Volumes 449-452)

Pages:

1173-1176

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.449-452.1173

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Online since:

March 2004

Authors:

Kang Ho Ahn, Jung Ho Ahn, K.-S. Jeon, Yong Ho Choa

Keywords:

Aerosol Process, Electro-Spraying, Iron Pentacarbonyl, Liquid Precursor, SQUID, TEOS

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References

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