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Toluene-sensing Properties of Mixed-potential Type Yttria-stabilized Zirconia-based Gas Sensors Attached with Thin CeO2-added Au Electrodes


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Title: Toluene-sensing Properties of Mixed-potential Type Yttria-stabilized Zirconia-based Gas Sensors Attached with Thin CeO2-added Au Electrodes
Authors: OIDE, Nobumitsu / UEDA, Taro / KAMADA, Kai / HYODO, Takeo / SHIMIZU, Yasuhiro
Issue Date: 10-Mar-2020
Publisher: Japan Society for Analytical Chemistry / 日本分析化学会
Citation: Analytical sciences, 36(3), pp.287-290; 2020
Abstract: Toluene-sensing properties of mixed-potential type yttria-stabilized zirconia (YSZ)-based sensors attached with a thin CeO2-added Au sensing electrode (SE, CeCO2 content: 4-16 mass%, thickness: 30-100 nm), which was fabricated by using a spin-coating method, were examined and the effects of their SE thickness and the additive amount of CeO2 on their toluene response were discussed in this study. The toluene response of the sensors attached with a 16 mass% CeO2-added Au SE increased with an increase in the SE thickness, and the sensor attached with the thickest 16 mass% CeO2-added Au SE showed the largest response, among all the sensors tested. This behavior probably arises from the increase in the number of active sites for electrochemical toluene oxidation in the CeCO2-added Au SE.
Keywords: Au / CeO2 toluene / Mixed potential / Solid-electrolyte gas sensor
URI: http://hdl.handle.net/10069/39795
ISSN: 09106340
DOI: 10.2116/analsci.20C003
Rights: © Japan Society for Analytical Chemistry
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/39795

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