Sulfur dioxide gas sensor based on Al3+ and O2- ion conducting solids with gadolinium oxysulfate based auxiliary sensing electrode

被引：5

作者：

Inaba, Yuichi ^{[1
]}

Nagai, Tsukasa ^{[1
]}

Tamura, Shinji ^{[1
]}

Imanaka, Nobuhito ^{[1
]}

机构：

[1] Osaka Univ, Fac Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan

来源：

SENSOR LETTERS | 2008年 / 6卷 / 03期

关键词：

gas sensor; sulfur dioxide; solid electrolyte; rare earth oxysulfate;

D O I：

10.1166/sl.2008.065

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new solid electrolyte type sulfur dioxide gas sensor was fabricated by the combination of trivalent aluminum cation conducting (Al0.2Zr0.8)(20/19)Nb(PO4)(3) solid and divalent oxide anion conducting yttria stabilized zirconia (YSZ) with 0.8Gd(2)O(2)SO(4)-0.2NaAl(SO4)(2) as an auxiliary sensing electrode. Since the present sensor showed such a superior sensing performance of continuous and rapid response and also showed a linear relationship between the sensor EMF output and the logarithm of the SO2 gas concentration with obeying the theoretical Nernst relationship, it is greatly expected to be a practical SO2 gas sensing device.

引用

页码：458 / 461

页数：4

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