Planar Zeolite Film-Based Potentiometric Gas Sensors Manufactured by a Combined Thick-Film and Electroplating Technique

被引：14
|
作者：
Marr, Isabella [1 ]
Reiss, Sebastian [1 ]
Hagen, Gunter [1 ]
Moos, Ralf [1 ]
机构：
[1] Univ Bayreuth, Dept Funct Mat, D-95440 Bayreuth, Germany
来源：
SENSORS | 2011年 / 11卷 / 08期
关键词：
solid state hydrocarbon gas sensor; zeolite; MFI; ZSM-5; COVER LAYER; SELECTIVITY; PRINCIPLE;
D O I：
10.3390/s110807736
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Zeolites are promising materials in the field of gas sensors. In this technology-oriented paper, a planar setup for potentiometric hydrocarbon and hydrogen gas sensors using zeolites as ionic sodium conductors is presented, in which the Pt-loaded Na-ZSM-5 zeolite is applied using a thick-film technique between two interdigitated gold electrodes and one of them is selectively covered for the first time by an electroplated chromium oxide film. The influence of the sensor temperature, the type of hydrocarbons, the zeolite film thickness, and the chromium oxide film thickness is investigated. The influence of the zeolite on the sensor response is briefly discussed in the light of studies dealing with zeolites as selectivity-enhancing cover layers.
引用
收藏
页码：7736 / 7748
页数：13
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