Bias-heating recovery of MWCNT gas sensor

Authors
Moon, Seung-IlPaek, Kyeong-KapLee, Yun-HiPark, Hun-KukKim, Jai-KyeongKim, Soo-WonJu, Byeong-Kwon
Issue Date
2008-05-31
Publisher
ELSEVIER SCIENCE BV
Citation
MATERIALS LETTERS, v.62, no.15, pp.2422 - 2425
Abstract
sensor was made using Au/Cr electrodes on a glass substrate and a thin carbon multiwall nanotube film printed between them. A bias-heating method was used completely to desorb gas molecules and restore its initial conductance. The temperature of the thin carbon nanotube film varied depending on the magnitude of the voltage used, and this relationship was investigated. After being used to detect NO2, the sensor returned to its initial conductance. This method enables complete recovery without additional processing steps, such as the fabrication of heat structure and ambient heating. (c) 2007 Elsevier B.V. All rights reserved.
Keywords
WALLED CARBON NANOTUBES; CHEMICAL-VAPOR-DEPOSITION; THIN-FILMS; SENSITIVITY; ADSORPTION; WALLED CARBON NANOTUBES; CHEMICAL-VAPOR-DEPOSITION; THIN-FILMS; SENSITIVITY; ADSORPTION; bias-heating recovery; gas sensor; multiwall carbon nanotubes
ISSN
0167-577X
URI
https://pubs.kist.re.kr/handle/201004/133476
DOI
10.1016/j.matlet.2007.12.027
Appears in Collections:
KIST Article > 2008
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