Thermoelectric gas sensors with selective combustion catalysts

Woosuck Shin, Kazuki Tajima, Noriya Izu, Toshio Itoh, Ichiro Matsubara, Norimitsu Murayama, Maiko Nishibori, Tomoyo Goto

Research output: Contribution to journalArticle

Abstract

Thermoelectric gas sensors (TGSs) were developed using a series of materials combined with gas-selective combustion catalysts. The TGSs have a micro-device structure formed on a membrane-type micro-hotplate to enhance their sensitivity. The working principle of the TGSs involves a synergetic combination of thermoelectric detection and the catalytic combustion of detection gas, which can eliminate the effects of humidity and other inflammable gases, allowing highly sensitive gas detection. This paper introduces the thin-film processing and the methodology of integrating the ceramic catalyst on the micro-device for the TGSs, and the mass production of gas sensors was demonstrated in this study. The TGSs can detect a wide H concentration range of several parts per million (ppm) to percent in air, exhibiting robust sensing performance with long-term stability. We developed new applications such as breath H 2 measurement with a H 2 concentration of 0200 ppm.

Original languageEnglish
Pages (from-to)57-66
Number of pages10
JournalJournal of the Ceramic Society of Japan
Volume127
Issue number2
DOIs
Publication statusPublished - Feb 1 2019

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Chemical sensors
catalysts
Catalysts
sensors
Gases
gases
Atmospheric humidity
Membranes
Thin films
humidity
Processing
Air
methodology
ceramics
membranes
sensitivity
air
thin films

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

Shin, W., Tajima, K., Izu, N., Itoh, T., Matsubara, I., Murayama, N., ... Goto, T. (2019). Thermoelectric gas sensors with selective combustion catalysts. Journal of the Ceramic Society of Japan, 127(2), 57-66. https://doi.org/10.2109/jcersj2.18098

Thermoelectric gas sensors with selective combustion catalysts. / Shin, Woosuck; Tajima, Kazuki; Izu, Noriya; Itoh, Toshio; Matsubara, Ichiro; Murayama, Norimitsu; Nishibori, Maiko; Goto, Tomoyo.

In: Journal of the Ceramic Society of Japan, Vol. 127, No. 2, 01.02.2019, p. 57-66.

Research output: Contribution to journalArticle

Shin, W, Tajima, K, Izu, N, Itoh, T, Matsubara, I, Murayama, N, Nishibori, M & Goto, T 2019, 'Thermoelectric gas sensors with selective combustion catalysts', Journal of the Ceramic Society of Japan, vol. 127, no. 2, pp. 57-66. https://doi.org/10.2109/jcersj2.18098
Shin W, Tajima K, Izu N, Itoh T, Matsubara I, Murayama N et al. Thermoelectric gas sensors with selective combustion catalysts. Journal of the Ceramic Society of Japan. 2019 Feb 1;127(2):57-66. https://doi.org/10.2109/jcersj2.18098
Shin, Woosuck ; Tajima, Kazuki ; Izu, Noriya ; Itoh, Toshio ; Matsubara, Ichiro ; Murayama, Norimitsu ; Nishibori, Maiko ; Goto, Tomoyo. / Thermoelectric gas sensors with selective combustion catalysts. In: Journal of the Ceramic Society of Japan. 2019 ; Vol. 127, No. 2. pp. 57-66.
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