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Identification of different vapors using a single temperature modulated polymer sensor with a novel signal processing technique

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Iwaki, Takao, Covington, James A. and Gardner, J. W. (2009) Identification of different vapors using a single temperature modulated polymer sensor with a novel signal processing technique. IEEE Sensors Journal, Vol.9 (No.4). pp. 314-328. doi:10.1109/JSEN.2008.2012238 ISSN 1530-437X.

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Official URL: http://dx.doi.org/10.1109/JSEN.2008.2012238

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Abstract

This paper reports on a novel temperature modulation technique to improve the ability of a single carbon black/polymer resistive sensor to discriminate, identify and characterize environmental pollutants. Such a sensor can be low cost, low-power consumption, highly reliable, and thus ideal for indoor gas monitoring. Here, a carbon black/polyvinylpyrrolidone film was deposited onto an SOI-CMOS microhotplate. A novel temperature modulation technique is proposed that allows the detection of vapors using a single chemoresistor. Identification and quantification of water, methanol and ethanol vapors with different concentrations (water: 0-6000 ppm, methanol: 1360-5430 ppm and ethanol: 2270-9080 ppm) are shown.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TP Chemical technology
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Signal processing -- Technique, Carbon-black, Pollutants, Gas detectors, Vapors -- Identification
Journal or Publication Title: IEEE Sensors Journal
Publisher: Institute of Electrical and Electronic Engineers
ISSN: 1530-437X
Official Date: April 2009
Dates:
DateEvent
April 2009Published
Volume: Vol.9
Number: No.4
Number of Pages: 15
Page Range: pp. 314-328
DOI: 10.1109/JSEN.2008.2012238
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Version or Related Resource: This paper was presented at the 2007 IEEE Sensors Conference, Atlanta, Georgia, USA, October 28-31, 2007.
Title of Event: 6th IEEE Sensors Conference
Location of Event: Atlanta, GA
Date(s) of Event: OCT 28-31, 2007

Data sourced from Thomson Reuters' Web of Knowledge

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