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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.118  No.1375 (March) (2010)  >  pp.171-174

Journal of the Ceramic Society of Japan
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XPS study of organic/MoO3 hybrid thin films for aldehyde gas sensors: correlation between average Mo valence and sensitivity

Toshio ITOH1), Ichiro MATSUBARA1), Woosuck SHIN1), Noriya IZU1) and Maiko NISHIBORI1)
1) National Institute of Advanced Industrial Science and Technology (AIST)

  We investigate the formaldehyde gas sensing properties of poly(5,6,7,8-tetrahydro-1-naphthylamine)-intercalated MoO3 thin films ((PTHNA)xMoO3). The resistance responses of (PTHNA)xMoO3 to formaldehyde increase with increasing intercalation temperature. X-ray photoelectron spectroscopy reveals that the molar ratio of Mo5+ decreases with increasing intercalation temperature.

Gas sensor, Formaldehyde sensor, Layered organic/inorganic hybrid, XPS, Intercalation

Received: November 17, 2009
Accepted: December 17, 2009 , Published online: March 01, 2010
Copyright (c) 2010 The Ceramic Society of Japan



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