静电纺丝一维纳米材料在气敏传感器的应用  

Applications of Electrospun One-Dimensional Nanomaterials in Gas Sensors

作　　者：朱蕾 王嘉楠 刘建伟 王玲 延卫[1] Lei Zhu;Jianan Wang;Jianwei Liu;Ling Wang;Wei Yan(Department of Environmental Science and Engineering,Xi'an Jiaotong University,Xi'an 710049,China;School of Mathematics and Physics,Weinan Normal University,Weinan 714099,China;Department of Applied Chemistry,School of Science,Xi'an Jiaotong University,Xi'an 710049,China)

机构地区：[1]西安交通大学环境科学与工程系,西安710049 [2]渭南师范学院数理学院,渭南714099 [3]西安交通大学理学院应用化学系,西安710049

出　　处：《化学进展》2020年第2期344-360,共17页Progress in Chemistry

基　　金：国家自然科学基金青年项目(No.51803164);中国博士后基金项目(No.2018M643635);陕西省自然科学基金项目(No.2019JQ-126);陕西省教育厅自然科学研究项目(No.19JK0293)资助。

摘　　要：采用静电纺丝法制备的一维纳米材料具有比表面积大、孔隙率高以及优越的电化学性能等优势,可以显著改善气敏传感器的灵敏度,成为气敏传感器领域应用最广的材料之一。本文介绍了气敏传感器分类、静电纺丝技术原理和半导体气敏传感器的传感机理,详细综述了静电纺丝法制备不同传感材料,包括半导体金属氧化物、金属修饰金属氧化物、聚合物-金属氧化物和石墨烯-金属氧化物复合材料等在气敏传感器的研究现状,并对未来气敏传感器的发展方向进行了展望。Electrospun 1D nanomaterials have the advantages of such as large specific surface area,high porosity,and superior electrochemical properties,which can significantly improve the sensitivity of gas sensors,making them the most widely used materials in the gas sensor field.In this review,the classification of gas sensor,the principle of electrospinning technology and the sensing mechanism of semiconductor metal oxide gas sensor is highlighted.And the research status of different sensing materials,including semiconductor metal oxide,doped semiconducting metal oxide,polymer-metal oxide,graphene-metal oxide composite material that are prepared by electrospinning and applied in gas sensors is reviewed in detail.Finally,the research prospect in this field is presented.

关 键 词：静电纺丝技术 气敏传感器 传感机理 一维纳米材料 半导体金属氧化物 

分 类 号：TB33[一般工业技术—材料科学与工程] TP212[自动化与计算机技术—检测技术与自动化装置]