Direct measurement of metal surface temperature during catalytic dissociation of ozone for sensor application

Ta Lun Sung, Ruey Chang Hsiao, Chung Ming Liu, Shinriki Teii, Huei Ping Jhou, Kungen Tsutsui, Shigeru Ono, Kenji Ebihara, Fumiaki Mitsugi

Research output: Contribution to journalArticle

Abstract

Temperature variation of a catalytic metal surface exposed to ozone produced in an atmospheric-pressure dielectric barrier discharge is examined by using a very thin thermocouple. The metal sheet is heated initially to a certain temperature (T1) using a resistive heater and, then, the ozone concentration is increased with the heater current unchanged. When T1 is room temperature, the temperature of the metal sheet remains almost constant independent of ozone concentration. When T1 is increased up to 80 °C, the temperature of the metal sheet decreases clearly with increasing ozone concentration due to enhanced catalytic dissociation of ozone at the metal surface. The rate of decrease in temperature for a stainless steel sheet is increased from nearly 0% to ∼ 5.7 % with increasing T1 from room temperature to 80 °C, while that for a platinum sheet is increased further to ∼ 17.5 % at 80 °C due to stronger catalytic activity of platinum. The results confirm that the sensitivity for ozone is improved with a stronger catalytic metal heated to a higher temperature as the sensor body.

Original languageEnglish
Article number6892970
Pages (from-to)3842-3846
Number of pages5
JournalIEEE Transactions on Plasma Science
Volume42
Issue number12
DOIs
Publication statusPublished - Dec 1 2014

Fingerprint

surface temperature
ozone
metal surfaces
dissociation
metal sheets
sensors
heaters
platinum
temperature
room temperature
thermocouples
catalytic activity
stainless steels
atmospheric pressure
sensitivity
metals

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Cite this

Direct measurement of metal surface temperature during catalytic dissociation of ozone for sensor application. / Sung, Ta Lun; Hsiao, Ruey Chang; Liu, Chung Ming; Teii, Shinriki; Jhou, Huei Ping; Tsutsui, Kungen; Ono, Shigeru; Ebihara, Kenji; Mitsugi, Fumiaki.

In: IEEE Transactions on Plasma Science, Vol. 42, No. 12, 6892970, 01.12.2014, p. 3842-3846.

Research output: Contribution to journalArticle

Sung, TL, Hsiao, RC, Liu, CM, Teii, S, Jhou, HP, Tsutsui, K, Ono, S, Ebihara, K & Mitsugi, F 2014, 'Direct measurement of metal surface temperature during catalytic dissociation of ozone for sensor application', IEEE Transactions on Plasma Science, vol. 42, no. 12, 6892970, pp. 3842-3846. https://doi.org/10.1109/TPS.2014.2350000
Sung, Ta Lun ; Hsiao, Ruey Chang ; Liu, Chung Ming ; Teii, Shinriki ; Jhou, Huei Ping ; Tsutsui, Kungen ; Ono, Shigeru ; Ebihara, Kenji ; Mitsugi, Fumiaki. / Direct measurement of metal surface temperature during catalytic dissociation of ozone for sensor application. In: IEEE Transactions on Plasma Science. 2014 ; Vol. 42, No. 12. pp. 3842-3846.
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