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Properties of P(VDF-TeFE) thin film formed by annealing process with electric field

Published online by Cambridge University Press:  31 January 2011

Jong-Hyeon Jeong
Affiliation:
okiatama@hotmail.com, Osaka university, Graduate School of Egineering, Suita-shi, Japan
Chiharu Kimura
Affiliation:
kimura@eei.eng.osaka-u.ac.jp, Osaka university, Graduate School of Egineering, Suita-shi, Osaka-fu, Japan
Hidemitsu Aoki
Affiliation:
aoki@steem.eei.eng.osaka-u.ac.jp, Osaka university, Graduate School of Egineering, Suita-shi, Osaka-fu, Japan
Masanori Okuyama
Affiliation:
okuyama@ee.es.osaka-u.ac.jp, Osaka University, Graduate School of Engineering Science, Toyonaka-shi, Osaka-fu, Japan
Takashi Sugino
Affiliation:
sugino@eei.eng.osaka-u.ac.jp, Osaka university, Graduate School of Egineering, Suita-shi, Osaka-fu, Japan
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Abstract

In order to apply P(VDF-TeFE) piezoelectric polymer to micro-generator as a membrane, the polymer is deposited on a substrate by spin-coating method. In this process, some changes of properties and quality of the film are caused by a solvent which was used to dissolve the polymer granule. Since a solvent affects the film properties and surface stability, we have carried out the thermal process at a temperature higher than melting point. However, this thermal process due to a temperature higher than Curie point of the polymer causes a falling-off in electrical properties. In this paper, we have studied a method to prevent a falling-off in electric properties of P(VDF-TeFE) film even though the film is annealed at a temperature higher than Curie point.

Type
Research Article
Copyright
Copyright © Materials Research Society 2010

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References

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