期刊
SENSORS
卷 17, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/s17040683
关键词
electrodes; semiconductor gas sensors; electrode materials; interfacial layer; transport mechanism
资金
- Kyungnam University
The electrodes of semiconductor gas sensors are important in characterizing sensors based on their sensitivity, selectivity, reversibility, response time, and long-term stability. The types and materials of electrodes used for semiconductor gas sensors are analyzed. In addition, the effect of interfacial zones and surface states of electrode-semiconductor interfaces on their characteristics is studied. This study describes that the gas interaction mechanism of the electrode-semiconductor interfaces should take into account the interfacial zone, surface states, image force, and tunneling effect.
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