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Reference type: Journal
Authors: Zhang J, Zhu Q, Zhang YM, Zhu ZQ, Liu QJ
Article Title: Methanol Gas-Sensing Properties of SWCNT-MIP Composites.
Publication date: 2016
Journal: Nanoscale Research Letters
Volume: 11
Issue: (1)
Page numbers: ArticleNo522.
DOI: 10.1186/s11671-016-1675-3

Abstract: The single-walled carbon nanotube (SWCNT)-molecularly imprinted powder (MIP) composites in this paper were prepared by mixing SWCNTs with MIPs. The structure and micrograph of the as-prepared SWCNTs-MIPs samples were characterized by XRD and TEM. The gas-sensing properties were tested through indirect-heating sensors based on SWCNT-MIP composites fabricating on an alumina tube with Au electrodes and Pt wires. The results showed that the structure of SWCNTs-MIPs is of orthogonal perovskite and the average particle size of the SWCNTs-MIPs was in the range of 10-30 nm. SWCNTs-MIPs exhibit good methanol gas-sensitive properties. At 90 C, the response to 1 ppm methanol is 19.7, and the response to the interferent is lower than 5 to the other interferent gases (ethanol, formaldehyde, toluene, acetone, ammonia, and gasoline). The response time and recovery time are 50 and 58 s, respectively
Template and target information: methanol, vapour
Author keywords: SWCNT-MIP composites, Gas-sensing properties, Methanol gas


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