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Field-assisted synthesis of BaTiO3 particle/polyvinylbutyral composite film

Published online by Cambridge University Press:  01 July 2006

Yusuke Kondo ,
Tetsuo Shimura ,
Wataru Sakamoto  and
Toshinobu Yogo
Yusuke Kondo
Affiliation:
Division of Nanomaterials Science, EcoTopia Science Institute, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
Tetsuo Shimura
Affiliation:
Division of Nanomaterials Science, EcoTopia Science Institute, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
Wataru Sakamoto
Affiliation:
Division of Nanomaterials Science, EcoTopia Science Institute, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
Toshinobu Yogo*
Affiliation:
Division of Nanomaterials Science, EcoTopia Science Institute, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

BaTiO3 particle/polyvinylbutyral composite films were synthesized from titanium-organics and barium ions in aqueous solution using a direct current (dc) field. Titanium-organic films on stainless substrates were reacted with barium nitrate solution under dc field. BaTiO3 nanoparticles were formed in the precursor film at temperatures as low as 30 °C at atmospheric pressure. The crystallization of BaTiO3 particles was dependent on the synthetic conditions, such as applied field, reaction time, and temperature. Crystalline BaTiO3 particles were synthesized in the polymer matrix at 2.3 V/cm and 50 °C for 2 h. The absorption edge of BaTiO3 particle/polyvinylbutyral composite was 343 nm and was blue-shifted compared with that of micron-sized BaTiO3.

Keywords

Chemical synthesisCompositeFilm
Type
Articles
Information
Journal of Materials Research , Volume 21 , Issue 7 , July 2006 , pp. 1843 - 1848
Copyright
Copyright © Materials Research Society 2006

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