期刊
SENSORS
卷 17, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/s17040882
关键词
carbon nanotubes; chemiresistive; sensors; functionalization
资金
- National Natural Science Foundation of China [51272155, 61204069, 61274118, 60906053, 61504079, 61306144]
- U-M/SJTU Collaborative Research Program in Nanostructured Multi-Functional Li-Batteries
The development of simple and low-cost chemical sensors is critically important for improving human life. Many types of chemical sensors have been developed. Among them, the chemiresistive sensors receive particular attention because of their simple structure, the ease of high precise measurement and the low cost. This review mainly focuses on carbon nanotube (CNT)-based chemiresistive sensors. We first describe the properties of CNTs and the structure of CNT chemiresistive sensors. Next, the sensing mechanism and the performance parameters of the sensors are discussed. Then, we detail the status of the CNT chemiresistive sensors for detection of different analytes. Lastly, we put forward the remaining challenges for CNT chemiresistive sensors and outlook the possible opportunity for CNT chemiresistive sensors in the future.
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