Fast gas sensors based on metal oxides which are stable at high temperatures
Fast gas sensors based on metal oxides which are stable at high temperatures
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DOI：
10.1016/s0925-4005(97)00114-7
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发表时间：
1997-09
影响因子：
8.4
通讯作者：
M. Fleischer;H. Meixner
中科院分区：
文献类型：
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作者：
M. Fleischer;H. Meixner
近来，为了提供氧和还原性气体的可再现检测，加强了对在高温下稳定的半导体金属氧化物的特性的研究。首先，讨论了与这些材料相关的细节，例如减少晶界势垒对传导机制的影响，减少湿度交叉敏感性以及各种反应机制。然后，将描述用于构造这种气体传感器的技术。讨论了已经实施的实例，例如λ检测、焚烧炉废气中的O2测量、甲烷报警和空气质量控制，以及某些发展趋势。
Recently, research into the characteristics of semiconductor metal oxides that are stable at high temperatures with a view to providing reproducible detection of oxygen and reducing gases has intensified. First of all, there is a discussion of the specifics relating to these materials, for example the reduction of the effects of grain-boundary barriers on the conduction mechanism, the reduction of the humidity cross-sensitivities and also on the various reaction mechanisms. Then, the technology for constructing gas sensors of this kind will be described. Examples that have already been implemented, for example, λ detection, O2measurements in the exhaust gases from incinerators, methane alarms, and air quality control, as well as certain trends in development, are discussed.