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Preparation of a transparent and flexible self-standing film of layered titania/isostearate nanocomposite

Published online by Cambridge University Press:  03 March 2011

Taki Matsumoto ,
Nobuo Iyi ,
Yoshiro Kaneko ,
Kenji Kitamura ,
Satoru Masaki ,
Tomohito Imai ,
Wataru Sugimoto ,
Yoshio Takasu  and
Yasushi Murakami
Taki Matsumoto*
Affiliation:
Advanced Materials Laboratory, National Institute for Materials Science (NIMS), Tsukuba 305-0044, Japan
Nobuo Iyi
Affiliation:
Advanced Materials Laboratory, National Institute for Materials Science (NIMS), Tsukuba 305-0044, Japan
Yoshiro Kaneko
Affiliation:
Advanced Materials Laboratory, National Institute for Materials Science (NIMS), Tsukuba 305-0044, Japan
Kenji Kitamura
Affiliation:
Advanced Materials Laboratory, National Institute for Materials Science (NIMS), Tsukuba 305-0044, Japan
Satoru Masaki
Affiliation:
Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University, Ueda 386-8567, Japan
Tomohito Imai
Affiliation:
Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University, Ueda 386-8567, Japan
Wataru Sugimoto
Affiliation:
Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University, Ueda 386-8567, Japan
Yoshio Takasu
Affiliation:
Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University, Ueda 386-8567, Japan
Yasushi Murakami
Affiliation:
Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University, Ueda 386-8567, Japan
*
a)Address all correspondence to this author. e-mail: MATSUMOTO.Taki@nims.go.jp
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Abstract

A titania-based self-standing film with high transparency and flexibility was successfully prepared via a sol-gel process, in which a titanium tetraisopropoxide/isostearate complex (precursor), n-hexylammonium isostearate (catalyst), and o-xylene (solvent) were used. The sol obtained by the sol-gel reaction was floated on a water surface to form an unsupported film. This film was composed of a titania/isostearate nanocomposite with ordered layer structure. The basal spacings of the nanocomposites depended on the chain length of the carboxylate modifier.

Keywords

LayeredSelf-assemblySol-gel
Type
Articles
Information
Journal of Materials Research , Volume 20 , Issue 5 , May 2005 , pp. 1308 - 1315
Copyright
Copyright © Materials Research Society 2005

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