ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
A Catalytic Combustion-type Carbon Monoxide Gas Sensor Incorporating an Apatite-type Oxide
Ayaka HosoyaShinji TamuraNobuhito Imanaka
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2016 Volume 56 Issue 9 Pages 1634-1637

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Abstract

A novel catalytic combustion-type CO gas sensor was devised using a catalyst composed of 11 wt% Pt supported on the apatite-like Mn-doped oxide La9.0Si5.8Mn0.2O27−δ. Its CO gas sensing performance was also investigated. Since the 11 wt% Pt/La9.0Si5.8Mn0.2O27−δ catalyst oxidized CO at a temperature over 60°C, the sensor also responded to CO at temperatures above 60°C, showing superior CO detection at 130°C with high sensitivity and a rapid response time of 10–20 s.

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© 2016 by The Iron and Steel Institute of Japan
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