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Single-walled carbon nanotube/Nafion composites as methanol sensors

Authors
Lee, KyongsooLee, Jin-WooKim, Seong-IlJu, Byeong-kwon
Issue Date
3월-2011
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Keywords
Chemical sensor; Carbon nanotube; CNT
Citation
CARBON, v.49, no.3, pp.787 - 792
Indexed
SCIE
SCOPUS
Journal Title
CARBON
Volume
49
Number
3
Start Page
787
End Page
792
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/112909
DOI
10.1016/j.carbon.2010.10.013
ISSN
0008-6223
Abstract
Single-walled carbon nanotube (SWCNT)/Nafion composite films were fabricated on an interdigitated electrode by using a simple casting method. Nafion acts as a polymer backbone to give stable and homogeneous cast thin films. The potential use of the composites as sensors of methanol concentration in water was investigated. The composites are operative even at ambient temperatures, and respond quickly to concentration changes. The resistance increases significantly with increasing concentration between 0.5 M and 4 M. The composites may be useful as a material to measure the concentration of methanol for direct fuel cells. (C) 2010 Elsevier Ltd. All rights reserved.
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공과대학 (전기전자공학부)
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