基于石墨烯及其衍生物的气敏传感器研究进展

摘要

Graphene is an emerging nanomaterials widely used for fabricating high-sensitive gas sensors due to its unique physical and chemical properties, such as special energy-band structure, ultrafast electron transport, large specific surface areas and gas adsorption capacities. Graphene-based gas sensors and their sensing properties have attracted extensive attentions of domestic and foreign experts, graphene oxide, reduced graphene oxide and metal or metal oxide-modified graphene have been used as well known gas-sensing materials for constructing high-performance gas sensors. The research achievements regarding to graphene-based gas sensors were emerged in large numbers in last few years. In this paper, several applications and new perspectives of graphene-based sensors are summarized towards gases detection, and the future development trends in this field are presented.%石墨烯具备特殊能带结构、大比表面积、高载流子迁移率等众多极为特殊的物理和化学特性，为制作新型高灵敏度气敏传感器提供了全新的材料和制造方法。国内外研究学者相继开展石墨烯基气敏性能研究工作，诸如采用氧化石墨烯、还原氧化石墨烯及贵金属和金属氧化物掺杂修饰石墨烯作为敏感材料制造高性能气敏传感器，涌现出不少瞩目的成就。综述了基于石墨烯及其衍生物的气敏传感器最新研究进展及应用，并展望了其发展趋势。