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Synthesis of rutile and anatase TiO2 nanoparticles from Ti-peroxy compound aqueous solution with polyols

Published online by Cambridge University Press:  06 January 2012

Naofumi Uekawa ,
Miki Suzuki ,
Takahiro Ohmiya ,
Fumihiko Mori ,
Yong Jun Wu  and
Kazuyuki Kakegawa
Naofumi Uekawa
Affiliation:
Department of Materials Technology, Faculty of Engineering, Chiba University, 1–33 Yayoi-cho, Inage-ku, Chiba-shi, 263–8522, Japan, and Center for Frontier Electronics and Photonics, Chiba University, 1–33, Yayoi-cho, Inage-ku, Chiba-shi, 263–8522 Japan
Miki Suzuki
Affiliation:
Department of Materials Technology, Faculty of Engineering, Chiba University, 1–33 Yayoi-cho, Inage-ku, Chiba-shi, 263–8522 Japan
Takahiro Ohmiya
Affiliation:
Department of Materials Technology, Faculty of Engineering, Chiba University, 1–33 Yayoi-cho, Inage-ku, Chiba-shi, 263–8522 Japan
Fumihiko Mori
Affiliation:
Chiba Prefectural Industrial Research Institute, 889, Kasori-cho, Wakaba-ku, Chiba-shi, 264–0017 Japan
Yong Jun Wu
Affiliation:
Center for Frontier Electronics and Photonics, Chiba University, 1–33, Yayoi-cho, Inage-ku, Chiba-shi, 263–8522 Japan
Kazuyuki Kakegawa
Affiliation:
Department of Materials Technology, Faculty of Engineering, Chiba University, 1–33 Yayoi-cho, Inage-ku, Chiba-shi, 263–8522 Japan, and Centre for Frontier Electronics and Photonics, Chiba University, 1–33, Yayoi-cho, Image-ku, Chiba-shi, 263–8522 Japan
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Abstract

Ti-peroxy compound was synthesized from Ti(O-iPr)4 and H2O2. Anatase and rutile TiO2 nanoparticles were prepared by heating the Ti-peroxy compound diluted with a polyol aqueous solution at 368 K for 24 h. In this research, ethylene glycol, glycerin, erythritol, and D-mannitol were used as polyols in the diluting solution. The ratio of anatase/rutile of the TiO2 obtained depended on the polyol concentration in the diluting solution. Furthermore, the polyol concentration at which single-phase anatase could be obtained was lowest when the number of OH groups in the polyol molecule was the highest. With increasing polyol concentration, the obtained TiO2 nanoparticles showed increasing specific surface area and decreasing particle size.

Type
Articles
Information
Journal of Materials Research , Volume 18 , Issue 4 , April 2003 , pp. 797 - 803
Copyright
Copyright © Materials Research Society 2003

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