金属氧化物半导体基三乙胺传感器研究进展

Research progress on metal oxide semiconductor based triethylamine gas sensors

三乙胺是一种应用广泛但对人体有毒副作用的挥发性有机物,需要长期有效的监测,开发一种性能稳定、安全可靠的三乙胺气敏传感器,实现对环境中三乙胺气体浓度实时检测,对于三乙胺的安全储存、运输和使用等环节是至关重要的。金属氧化物半导体基气敏传感器具有制备简单、价格低廉、响应值高等优点,在三乙胺气体的检测中具有不可替代的作用。重点介绍了基于金属氧化物半导体的三乙胺传感器最新研究进展。综述了近年来包括掺杂、异质结、有机金属骨架和氧化还原石墨烯在内的关于金属氧化物半导体基三乙胺气敏材料的制备和性能等方面的研究成果。论述了金属氧化物半导体基复合材料对三乙胺气敏性能的机理。展望了金属氧化物基三乙胺气敏材料的未来研究方向。

Triethylamine is a widely used volatile organic compound with toxic and side effects on human body,which needs long-term and effective monitoring.The development of stable,safe and reliable triethylamine gas sensor to realize the realtime detection of triethylamine gas concentration in the environment is very important for the safe storage,transportation and use of triethylamine.Metal oxide semiconductor based gas sensor has the advantages of simple preparation,low price and high response value.It plays an irreplaceable role in the detection of triethylamine gas.The latest research progress of triethylamine sensor based on metal oxide semiconductor was introduced.The recent research results on the preparation and properties of metal oxide semiconductor based triethylamine gas sensing materials,including doping,heterojunction,organic metal skeleton and redox grapheme were reviewed.The mechanism of gas sensing properties of metal oxide semiconductor matrix composites to triethylamine was discussed.And the future research direction of metal oxide-based triethylamine gassensitive materials was prospected.