SnO2纳米材料气敏性能的研究进展

Research Progress on Gas-sensing Property of SnO2 Nanomaterials

近年来,金属氧化物半导体气敏传感器已经广泛地应用于人们的日常生活中,并成为传感器领域的重要分支。其中,SnO2是最早被研究的一类气敏材料,属于典型的n型半导体金属氧化物,具有制备简单、成本低廉、性质稳定等优点。主要介绍了SnO2纳米材料气敏性能的研究进展,详细描述了该材料的气敏机理、改性手段,并对其实用化的前景进行了展望。

Recently,metal oxide semiconductor gas sensors have been used extensively in daily life and become an important part of gas sensors materials.Among them,SnO2,a typical n-type metal oxide semiconductor,was firstly explored as gas-sensing materials and favored for its low cost,facile synthesis and excellent stability.The research development,gas-sensing mechanism and modification strategy of SnO2 nanomaterials were introduced,and some prospects for its practical applications were also put forward.