Detailed Information

Cited 0 time in webofscience Cited 0 time in scopus
Metadata Downloads

Novel resistive-type humidity sensor based on multiwall carbon nanotube/polyimide composite films

Authors
Yoo, Kum-PyoLim, Lee-TaekMin, Nam-KiLee, Myung JinLee, Chul JinPark, Chan-Won
Issue Date
4-3월-2010
Publisher
ELSEVIER SCIENCE SA
Keywords
MWCNT; MWCNT-polyimide composites; Plasma treatment; Humidity sensor
Citation
SENSORS AND ACTUATORS B-CHEMICAL, v.145, no.1, pp.120 - 125
Indexed
SCIE
SCOPUS
Journal Title
SENSORS AND ACTUATORS B-CHEMICAL
Volume
145
Number
1
Start Page
120
End Page
125
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/116825
DOI
10.1016/j.snb.2009.11.041
ISSN
0925-4005
Abstract
A novel resistive-type relative humidity (RH) sensor based on plasma-treated multiwall carbon nanotube/polyimide (p-MWCNT/PI) composite films is reported. Details of the fabrication process and sensing characteristics such as linearity and sensitivity are described. The electrical resistance of the p-MWCNT/PI composite film shows typical concentration percolation behavior with increasing p-MWCNT loading. At loadings beyond the percolation threshold (0.05 wt%), this sensor exhibits very good linearity with a positive slope over the entire operational RH range. The sensor has a humidity sensitivity of about 0.00471% RH and a linearity correlation (R-2) of 0.9999. A humidity sensing mechanism for the p-MWCNT/PI composite film is proposed on the basis of charge transfer between adsorbed water molecules and the p-MWCNTs. (C) 2009 Elsevier B.V. All rights reserved.
Files in This Item
There are no files associated with this item.
Appears in
Collections
College of Science and Technology > Department of Electro-Mechanical Systems Engineering > 1. Journal Articles
College of Engineering > School of Electrical Engineering > 1. Journal Articles

qrcode

Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.

Related Researcher

Researcher Lee, Cheol Jin photo

Lee, Cheol Jin
공과대학 (전기전자공학부)
Read more

Altmetrics

Total Views & Downloads

BROWSE