MODIFICATION OF LANTHANUM OXYCHLORIDE SOLID ELECTROLYTE FOR CONVENTIONAL POTENTIOMETRIC CHLORINE GAS SENSOR

被引：6

作者：

Dziubaniuk, Malgorzata ^{[1
]}

Pasierb, Pawel ^{[1
]}

Rekas, Mieczyslaw ^{[1
]}

机构：

[1] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, PL-30059 Krakow, Poland

来源：

FUNCTIONAL MATERIALS LETTERS | 2011年 / 4卷 / 02期

关键词：

Chlorine gas sensor; solid electrolyte;

D O I：

10.1142/S179360471100183X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

La1-xMgxOCl1-x (x = 0.025, 0.05 and 0.1) and La0.9Ca0.1OCl0.9 samples were prepared by a solid state reaction method. The best preparation conditions were determined by means of the differential thermal analysis and thermogravimetry (DTA&TG). The samples were studied by X-ray diffraction (XRD) analysis. Electrical conductivity of La0.9Mg0.1OCl0.1 was measured using electrical impedance spectroscopy (EIS). The prototype chlorine gas sensor was constructed from La0.9Mg0.1OCl0.1 solid electrolyte. The source voltage (SV) of the constructed device was measured as a function of temperature (500-800 degrees C), Cl-2 gradient partial pressure and time. Similar measurements of SV was carried out in atmosphere of synthetic air in argon.

引用

页码：171 / 174

页数：4

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