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Synthesis of mesoscopic hollow spheres and inner surface functionalized hollow spheres of titanium dioxide by the liquid phase deposition method

Published online by Cambridge University Press:  31 January 2011

Yoshifumi Aoi ,
Hisae Kambayashi ,
Eiji Kamijo  and
Shigehito Deki
Yoshifumi Aoi
Affiliation:
Department of Materials Chemistry, Faculty of Science and Technology, Ryukoku University, Seta, Otsu 520-2194, Japan
Hisae Kambayashi
Affiliation:
Department of Materials Chemistry, Faculty of Science and Technology, Ryukoku University, Seta, Otsu 520-2194, Japan
Eiji Kamijo
Affiliation:
Department of Materials Chemistry, Faculty of Science and Technology, Ryukoku University, Seta, Otsu 520-2194, Japan
Shigehito Deki
Affiliation:
Department of Chemical Science and Engineering, Faculty of Engineering, Kobe University, Rokkodai-cho, Nada, Kobe 657-8501, Japan
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Abstract

Polystyrene (PS) core–TiO2 shell composite particles and TiO2 hollow spheres were fabricated using the liquid phase deposition (LPD) method. Composite particles were prepared using PS particles as templates. Calcination of the composite particles resulted in TiO2 hollow spheres. Uniform TiO2 hollow spheres were obtained when the reaction time of the LPD process was between 4 and 8 h. Furthermore, we fabricated TiO2 hollow spheres whose inner surfaces were functionalized by Pt particles after platinized PS particles were used as templates. The Pt particles were immobilized on the inner surfaces of the hollow spheres.

Type
Articles
Information
Journal of Materials Research , Volume 18 , Issue 12 , December 2003 , pp. 2832 - 2836
Copyright
Copyright © Materials Research Society 2003

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References

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