基于类石墨烯二硫化钼的气敏传感器研究与进展

Research and development of graphene-like molybdenum disulfide based gas sensor

二硫化钼(MoS_2)作为新兴的类石墨烯二维纳米材料,因其拥有与石墨烯类似的层状结构、天然的带隙、大比表面积等优异的物理化学特性,为制作新型高灵敏度气敏传感器提供了全新的材料。国内外研究学者相继开展基于MoS_2的气敏性能研究工作,诸如采用金属氧化物或贵金属等掺杂修饰MoS_2作为敏感材料制造高性能气敏传感器,并获得显著成果。本文综述了MoS_2气敏传感器的最新研究进展及应用,并展望了其发展趋势。

Molybdenum disulfide(MoS2)as a new graphene-like two-dimensional nanomaterial was widely used for fabricating high-sensitive gas sensors due to its unique physical and chemical properties,such as similar layered structure with graphene,natural band gap,large specific surface areas.Domestic and foreign researchers have conducted research on MoS2-based gas sensors and their sensing properties.Metal oxide or noble metal-modified MoS2nanocomposites were used as sensitive materials to construct high-performance gas sensors,and achieved remarkable results.The research achievements regarding to MoS2-based gas sensors were emerged in large numbers in last few years.This paper reviews the latest research progress,application and the future development trends of MoS2gas sensor.