Paper Title:
Hydrogen-Sensor Prepared Using Proton-Conducting Glass Films
  Abstract

Solid-state potentiometric thin film hydrogen gas sensors were successfully fabricated using a sol-gel-derived high proton-conducting P2O5-SiO2 glass films. Manganese oxide thin film coated on an indium tin oxide (ITO)-coated glass substrate was used for reference electrode. The sensor exhibited high speed responsibility within 10 s and 120 s at 30 oC and -30oC, respectively, for 1 vol.% hydrogen gas. A linear relationship between the electromotive force (EMF) and the logarithmic hydrogen concentration of 0.1~1 vol.% was obtained in the temperature ranging from -30 to 30 oC. The sensing mechanism was also discussed to improve the sensitivity and sensing speed against low H2 concentration at low temperatures.

  Info
Periodical
Solid State Phenomena (Volumes 124-126)
Edited by
Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park
Pages
627-630
DOI
10.4028/www.scientific.net/SSP.124-126.627
Citation
M. Matsumura, Y. Daiko, M. Nogami, "Hydrogen-Sensor Prepared Using Proton-Conducting Glass Films", Solid State Phenomena, Vols. 124-126, pp. 627-630, 2007
Online since
June 2007
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Price
$32.00
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