期刊
SMALL
卷 12, 期 16, 页码 2118-2129出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201502555
关键词
chemical sensors; carbon nanotubes; chemiresistors; electronic noses; gas sensing; vapor sensing
The need to sense gases and vapors arises in numerous scenarios in industrial, environmental, security and medical applications. Traditionally, this activity has utilized bulky instruments to obtain both qualitative and quantitative information on the constituents of the gas mixture. It is ideal to use sensors for this purpose since they are smaller in size and less expensive; however, their performance in the field must match that of established analytical instruments in order to gain acceptance. In this regard, nanomaterials as sensing media offer advantages in sensitivity, preparation of chip-based sensors and construction of electronic nose for selective detection of analytes of interest. This article provides a review of the use of carbon nanotubes in gas and vapor sensing.
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