Preparation of Nano-Sized TiO2 Particles by Self-Propagating-High-Temperature Synthesis

Abstract:

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This investigation was aimed at preparing nanocrystalline TiO2 powder by self-propagating-high-temperature synthesis. Titanium (IV) n-butoxide was hydrolyzed to obtain titanl hydroxide [TiO(OH)2], and titanyl nitrate [TiO(NO3)2] was obtained by reaction of TiO(OH)2 with nitric acid. Finally, the aqueous solution containing titanyl nitrate [TiO(NO3)2] and a fuel, urea, were mixed and combusted to obtain the nano-sized titania. The anatase TiO2 nanocrystalline ( ~56nm) with high BET surface area( 280 m2g-1) and narrow band gap energy( 2.7 eV) were thus obtained.

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Periodical:

Edited by:

P. VINCENZINI

Pages:

285-290

DOI:

10.4028/www.scientific.net/AST.45.285

Citation:

C.M. Wang and S.L. Chung, "Preparation of Nano-Sized TiO2 Particles by Self-Propagating-High-Temperature Synthesis", Advances in Science and Technology, Vol. 45, pp. 285-290, 2006

Online since:

October 2006

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$35.00

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