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Organic-ligand-assisted supercritical hydrothermal synthesis of titanium oxide nanocrystals leading to perfectly dispersed titanium oxide nanoparticle in organic phase

Mousavand, Tahereh and Zhang, Jing and Ohara, Satoshi and Umetsu, Mitsuo and Naka, Takashi and Adschiri, Tadafumi (2007) Organic-ligand-assisted supercritical hydrothermal synthesis of titanium oxide nanocrystals leading to perfectly dispersed titanium oxide nanoparticle in organic phase. JOURNAL OF NANOPARTICLE RESEARCH, 9 (6). pp. 1067-1071. ISSN 1388-0764 (Print) 1572-896X (Online)

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Official URL: http://www.springerlink.com/content/5p185t46475807...

Abstract

Titanium oxide (TiO2) nanocyrstals which are perfectly dispersed in organic solvents are synthesized by organic-ligand-assisted supercritical hydrothermal synthesis. The addition of hexaldehyde to the supercritical hydrothermal synthesis of TiO2 leads to the in-situ surface modification, which enables the synthsized TiO2 nanocrystals to be perfectly dispersed in iso-octane because of its hydrophobic nature. Further, the one-pot synthesis of hybrid materials results in the significant reduction of the particles size, probably due to the capping effect of hexaldehyde to suppress the particles growth.

Item Type:Article
Uncontrolled Keywords:dispersion; metal oxide; mixing; nanoparticle; supercritical hydrothermal synthesis
Subjects:Material Science > Functional and hybrid materials
Material Science > Nanofabrication processes and tools
ID Code:3554
Deposited By:Farnush Anwar
Deposited On:16 Jan 2009 13:35
Last Modified:29 Jan 2009 10:49

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