Operando DRIFT Measurements on a Tin Dioxide Based Gas Sensor

被引：8
|
作者：
Grossmann, Katharina [1 ]
Barsan, Nicolae [1 ]
Weimar, Udo [1 ]
机构：
[1] Univ Tubingen, Inst Phys Chem, D-72076 Tubingen, Germany
来源：
EUROSENSORS XXIV CONFERENCE | 2010年 / 5卷
关键词：
DRIFT; reaction mechanism; Hydrogen sensor;
D O I：
10.1016/j.proeng.2010.09.062
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Tin dioxide based gas sensors with 1 % Pd doping were investigated by using DRIFT spectroscopy and DC resistance measurements in Operando conditions. The surface was characterized at 250 degrees C in synthetic air and the change of the surface species was monitored during the exposure to hydrogen and deuterium test gases. In this manner it was possible to follow which kind of hydrogen associated compounds are produced/consumed during the reaction with the test gas. (C) 2010 Published by Elsevier Ltd.
引用
收藏
页码：119 / 122
页数：4
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