Single-walled carbon nanotube/Nafion composites as methanol sensors

Title
Single-walled carbon nanotube/Nafion composites as methanol sensors
Authors
이경수이진우김성일주병권
Keywords
Carbon; nanotube; Nafion; methanol; sensor
Issue Date
2011-03
Publisher
Carbon
Citation
VOL 49, NO 3, 787-792
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.
URI
http://pubs.kist.re.kr/handle/201004/39767
ISSN
0008-6223
Appears in Collections:
KIST Publication > Article
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