改善SnO2气体传感器气敏性能的研究进展

摘要

随着气体检测的广泛应用,SnO2传感器正引起越来越多的关注.基于对SnO2气敏材料的气敏机理进行综合性阐述的基础之上,从气敏材料和传感器设计两方面重点分析了SnO2气体传感器气敏性能的影响因素,并着重分析了运用当前纳米技术制备SnO2传感器的研究进展,进一步讨论了SnO2传感器发展的研究方向与前景.%With the wide application of gas detection, SnO2 gas sensor attracts more and more attention. On the basis of introduction of the gas sensitive mechanism, the influence factors of sensitive property of gas sensor are analyzed from two aspects, materials and sensor design. Research progress using current nanotechnology to fabricate the SnO2 sensor is focused. Research direction and prospect of SnO2 gas sensor are further discussed.