Organic-ligand-assisted supercritical hydrothermal synthesis of titanium oxide nanocrystals leading to perfectly dispersed titanium oxide nanoparticle in organic phase |
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| Authors: | Tahereh Mousavand Jing Zhang Satoshi Ohara Mitsuo Umetsu Takashi Naka Tadafumi Adschiri |
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| Institution: | (1) Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan |
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| 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. |
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| Keywords: | dispersion metal oxide mixing nanoparticle supercritical hydrothermal synthesis |
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