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Synthesis and characterization of Cr-Doped AL2O3 Nanoparticles prepared via aqueous combustion method

Kakooei, S., Rouhi, J., Mohammadpour, E., Alimanesh, M. and Dehzangi, A. (2012) Synthesis and characterization of Cr-Doped AL2O3 Nanoparticles prepared via aqueous combustion method. Caspian Journal of Applied Sciences Research, 1 (13). pp. 16-22.

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Abstract

Chromium-doped Alumina was synthesized via combustion technique. Nanoparticles were produced from aluminum nitrate, ammonium dichromate, and sucrose. Silver nitrate was used as catalyst. The use of sucrose (C 12 H 22 O 11 ) as dispersion agent and ammonium dichromate both as fuel and a doping agent source are new techniques in the synthesis of Cr-doped Al 2 O 3 nanoparticles. The heat-treated powders were characterized by X- ray diffraction, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. Heat treatment of the nanoparticles was performed at temperatures of 900 °C, 1000 °C, and 1100 °C, which resulted in the formation of porous agglomerated chromium-doped alumina nanoparticles. Chromium-doped alumina with an average crystalline size of 35 nm was successfully synthesized via combustion technique with sucrose as fuel.

Item Type: Journal Article
Publisher: CJASR
Copyright: © 2012 CJASR
URI: http://researchrepository.murdoch.edu.au/id/eprint/38429
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