Selective NO2 detection using YSZ-based amperometric sensor attached with NiFe2O4(+ Fe2O3) sensing electrode

被引：14

作者：

Anggraini, Sri Ayu ^{[1
]}

Yoshida, Soichiro ^{[2
,3
]}

Ikeda, Hiroshi ^{[1
,4
]}

Miura, Norio ^{[1
,5
]}

机构：

[1] Kyushu Univ, Art Sci & Technol Ctr Cooperat Res, Kasuga, Fukuoka 8168580, Japan

[2] Kyushu Univ, Interdisciplinary Grad Sch Engn Sci, Kasuga, Fukuoka 8168580, Japan

[3] NGK Insulator LTD, Gener Dev Grp, Adv Dev Dept, Sensor Div,Ceram Prod Business Grp,Mizuho Ku, Nagoya, Aichi 4618530, Japan

[4] Kyushu Dent Univ, Div Biomat, Dept Oral Funct, Kitakyushu, Fukuoka 8038580, Japan

[5] Kyushu Univ, Kasuga, Fukuoka 8168580, Japan

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2018年 / 259卷

关键词：

Gas sensor; Amperometric; NO2; Spinel; YSZ; STABILIZED ZIRCONIA; SOLID-ELECTROLYTE; SPINEL OXIDE; GAS SENSOR; SUBSTITUTION; SENSITIVITY;

D O I：

10.1016/j.snb.2017.12.015

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A YSZ-based amperometric sensor using spinel oxide as a sensing electrode (SE) has been proposed here for detecting NO2 sensitively and selectively. Among the examined spinel-oxide SEs, NiFe2O4-SE was found to give relatively sensitive and selective response to NO2. Addition of 30 wt.% Fe2O3 into NiFe2O4-SE increased the NO2 response, while the responses to other interfering gases were maintained small. The sensor using NiFe2O4(+ 30 wt.% Fe2O3)-SE could detect NO2 as low as 5 ppm in humid air within 15 s (90% response time). The mechanism of NO2 selective behavior given by the sensor using NiFe2O4(+ 30 wt.% Fe2O3)-SE was investigated. (c) 2017 Elsevier B.V. All rights reserved.

引用

页码：30 / 35

页数：6

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