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Synthesis and VOC gas sensing properties of Polypyrrole / MoO3 Nanohybrids

Published online by Cambridge University Press:  01 February 2011

Kouta Hosono
Affiliation:
National Institute of Advanced Industrial Science & Technology, Shimo-Shidami, Moriyama-ku, Nagoya 463–8560, JAPAN
Ichiro Matsubara
Affiliation:
National Institute of Advanced Industrial Science & Technology, Shimo-Shidami, Moriyama-ku, Nagoya 463–8560, JAPAN
Norimitsu Murayama
Affiliation:
National Institute of Advanced Industrial Science & Technology, Shimo-Shidami, Moriyama-ku, Nagoya 463–8560, JAPAN
Shin Woosuck
Affiliation:
National Institute of Advanced Industrial Science & Technology, Shimo-Shidami, Moriyama-ku, Nagoya 463–8560, JAPAN
Noriya Izu
Affiliation:
National Institute of Advanced Industrial Science & Technology, Shimo-Shidami, Moriyama-ku, Nagoya 463–8560, JAPAN
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Abstract

We have prepared polypyrrole (PPy) / MoO3 nanohybrid thin films and evaluated their volatile organic compound (VOC) gas sensing properties. The (PPy)xMoO3 thin films have been prepared by intercalation reactions of highly oriented MoO3 thin films. Intercalation of hydrated sodium ions successfully proceeded without loosing the crystallographic orientation. The (PPy)xMoO3 thin films was obtained by replacing the hydrated sodium ions with PPy. The (PPy)xMoO3 thin films can detect formaldehyde gas by increasing in their electrical resistance, whereas they showed no response to toluene.

Type
Research Article
Copyright
Copyright © Materials Research Society 2004

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References

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