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Preparation of conducting film composed of polyaniline and metal oxide by sol-gel method

Published online by Cambridge University Press:  26 July 2012

Takuya Hori
Affiliation:
Department of Materials Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata 992, Japan
Noriyuki Kuramoto
Affiliation:
Department of Materials Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata 992, Japan
Hideyuki Tagaya
Affiliation:
Department of Materials Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata 992, Japan
Masa Karasu
Affiliation:
Department of Materials Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata 992, Japan
Jun-ichi Kadokawa
Affiliation:
Department of Materials Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata 992, Japan
Koji Chiba
Affiliation:
Department of Materials Science and Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata 992, Japan
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Extract

Conducting thin films were prepared by entrapping water-suspended polyaniline into a silica matrix by a sol-gel route. Without metal oxide, the conductivity of the film decreased after heat treatment. However, in the presence of metal oxides such as TiO2 and Al2O3, the conductivity increased after heat treatment at 85 °C and reached 17 Scm−1 The conductivity of the film depended on the kinds and amounts of metal oxides and the temperature of heat treatment.

Type
Articles
Copyright
Copyright © Materials Research Society 1999

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References

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