Novel Preparation of Nano-Sized TiO2 and ZrO2 Particles by Nanocasting with Nanoporous SiO2 and Selective Dissolution

Jun Lee; Yoshihiro Sugi; Nam Jo Jeong; Gon Seo; Sung June Cho

doi:10.4028/www.scientific.net/SSP.124-126.643

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HomeSolid State PhenomenaSolid State Phenomena Vols. 124-126Novel Preparation of Nano-Sized TiO2 and ZrO2...

Novel Preparation of Nano-Sized TiO₂ and ZrO₂ Particles by Nanocasting with Nanoporous SiO₂ and Selective Dissolution

Abstract:

High surface area and uniform nano-sized TiO2 and ZrO2 were prepared readily by the infiltration of metal alkoxides into the nanoporous SiO2, SBA-15 and the following selective dissolution of SiO2. The obtained particles of TiO2 and ZrO2, 8.1 nm were nanocrystalline of which the structure were anatase and tetragonal, respectively. The surface area and pore volume of the nanocrystalline metal oxides can be increased to above 200 m2g-1 and 0.30 cm3g-1, respectively.

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Solid State Phenomena (Volumes 124-126)

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643-646

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.124-126.643

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Online since:

June 2007

Authors:

Jun Lee, Yoshihiro Sugi, Nam Jo Jeong, Gon Seo, Sung June Cho

Keywords:

Nanocasting, Nanoparticle, SBA-15, Titania (TiO₂), Zro₂

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