Sensing of soot oxidation by using combustion-type sensor with Ag-supported catalyst

Hongcheng Ruan, Maiko Nishibori, Tsutomu Itou, Yoshihiko Sadaoka, Yasutake Teraoka

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Soot-sensing properties of the combustion-type sensor coated with Ag-supported catalysts (Ag/TiO 2 , Ag/α-Al 2 O 3 , and Ag/CeO 2 ) were investigated. The catalyst with a high carbon black (CB) oxidation activity in the tight contact (TC) mode had a high response speed, although the response speed had no relationship with the CB oxidation activity in the loose contact (LC) mode. Moreover, the difference in CB oxidation activities between TC and LC modes was consistent with the difference in response speed between V 10 and V 50 , where V 10 and V 50 indicate the response speed of the CB oxidation at 10 and 50% of total output voltage. The catalyst with high intrinsic CB combustion activity improves the response property at initial combustion. On the other hand, the catalyst with the CB combustion activity, which does not depend on the contact state between the CB and the catalyst, improves the response property at later combustion.

Original languageEnglish
Pages (from-to)1219-1228
Number of pages10
JournalSensors and Materials
Volume28
Issue number11
DOIs
Publication statusPublished - Jan 1 2016

Fingerprint

Soot
soot
Carbon black
Catalyst supports
catalysts
Oxidation
oxidation
carbon
sensors
Sensors
Catalysts
Thermodynamic properties
output
Electric potential
electric potential

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Materials Science(all)

Cite this

Sensing of soot oxidation by using combustion-type sensor with Ag-supported catalyst. / Ruan, Hongcheng; Nishibori, Maiko; Itou, Tsutomu; Sadaoka, Yoshihiko; Teraoka, Yasutake.

In: Sensors and Materials, Vol. 28, No. 11, 01.01.2016, p. 1219-1228.

Research output: Contribution to journalArticle

Ruan, Hongcheng ; Nishibori, Maiko ; Itou, Tsutomu ; Sadaoka, Yoshihiko ; Teraoka, Yasutake. / Sensing of soot oxidation by using combustion-type sensor with Ag-supported catalyst. In: Sensors and Materials. 2016 ; Vol. 28, No. 11. pp. 1219-1228.
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