Fabrication and performance of free-standing hydrogen gas sensors

Lionel Fabrice Houlet, Woosuck Shin, Maiko Nishibori, Noriya Izu, Toshio Itoh, Ichiro Matsubara

研究成果: Article査読

7 被引用数 (Scopus)

抄録

We present fabrication and performance of a free-standing thermoelectric and catalytic hydrogen gas sensor. The response of the device to hydrogen gas is reported at different operating temperatures and hydrogen concentrations. The response of the free-standing device is also compared to the devices built with either a single large membrane or two membranes. At an operating temperature of 100 °C, the free-standing type device shows the voltage response twice as high as those of the membrane type devices. The results show that the thermal differential in the thermoelectric film of the free-standing type device is greatly enhanced as the heat diffusion through the membrane is prohibited. The free-standing type device shows good stability above 60 °C and is selective for hydrogen against methane and propane gases.

本文言語English
ページ(範囲)1-9
ページ数9
ジャーナルSensors and Actuators, B: Chemical
129
1
DOI
出版ステータスPublished - 2008 1 29
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 器械工学
  • 凝縮系物理学
  • 表面、皮膜および薄膜
  • 金属および合金
  • 電子工学および電気工学
  • 材料化学

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