导电聚合物在气体传感器中的研究进展

Research Progress of Conductive Polymers in Gas Sensor

中文关键词: 导电聚合物  气敏  传感器  高分子结构

英文关键词: conductive polymer  gas sensitivity  sensor  macromolecular structure

中文摘要:

      目的 总结导电聚合物在气体传感器中的适用情况，为后续研究低浓度混合气体导电聚合物传感器提出指导意见。方法 对导电聚合物在气体传感器中的研究现状进行梳理和分析，从合成和结构特点出发，分析不同导电聚合物(如聚苯胺、聚吡咯、聚噻吩等)的作用机理，并对导电聚合物气敏材料的未来进行展望。结果 导电聚合物具有质量轻、易成型、调整范围大且电导率范围宽等优势，可通过结构设计、化学修饰、辐射交联等手段有效改善其气敏性能。结论 导电聚合物能有效弥补低浓度有害气体检测的缺口，具有十分广泛的发展前景。

英文摘要:

      The work aims to summarize the application of conductive polymers in gas sensor, so as to provide guidance for the subsequent conductive polymer sensor of low concentration mixed gas. The research status of conductive polymers in gas sensor was combed and analyzed. From the perspective of synthesis and structure characteristics, the action mechanism of different conductive polymers (such as polyaniline, polypyrrole, polythiophene, polyurethane, etc.) was investigated and the future development of gas sensitive materials of conductive polymers was prospected. The conductive polymers had the advantages of light weight, easy molding, wide adjusting range and wide conductivity range, and its gas sensitivity could be effectively improved by structural design, chemical modification and radiation crosslinking. Conductive polymers can effectively fill the gap in the detection of low concentration harmful gases and have a very broad development prospect.