半导体二氧化锡异质结对胺气敏性能影响的研究进展

Research progress on the effects of semiconductor tin dioxide heterojunctions on amine-gas sensing performance

挥发性有机胺类物质有毒有害,对生态环境和公共健康安全易造成严重影响,实现有机胺的快速检测对于环境污染防治、食品安全监测乃至医疗诊断都具有重要意义。基于二氧化锡半导体气敏材料在检测有机胺中的应用研究进展,现将最近报道的金属氧化物、金属硫化物、碳材料和有机聚合物与二氧化锡形成异质结及对有机胺气敏性能影响的研究工作进行了总结归纳,并对其它二氧化锡异质结材料及其在气敏领域应用的前景进行了展望。

Volatile organic amines are toxic and harmful,which pose a serious threat to the ecological environment and public safety.The rapid detection of organic amines is of great significance for environmental pollution prevention,food safety monitoring and even medical diagnosis.Based on the research progress of tin dioxide semiconductor materials in the detection of organic amine,the formation of heterojunctions between tin dioxide and metal oxides,metal sulfides,carbon materials and organic polymer reported recently,and the effects of heterojunctions on amine-gas sensing performance were summarized.The other materials possessing heterojunctions and their applications in amine-gas sensing fields were prospected.