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A polymer humidity sensor

Authors
Hwang, L.S.; Ko, J.M.; Rhee, H.W.; Kim, C.Y.
Issue Date
1993-01
Citation
Synthetic Metals, v.57, no.1, pp.3671 - 3676
Abstract
Polypyrrole doped with dodecylsulfate ion on electrochemical polymerization of pyrrole keeps the anion in it on reduction of the polymer in an aqueous solution. The free anion on reduction of the polymer attracts a cation to form a salt in the polymer. An attempt was made to use polypyrrole as a sensing material in measurement of humidity. The gold covered electrode was constructed by employing a photo-resist method and the ionic conductivity of the reduced polypyrrole changes from 2 × 10 kΩ·cm to 3 × 103 kΩ·cm depending on humidity. ？ 1993.
Keywords
Atmospheric humidity; Electrodes; Ionic conduction; Measurements; Sensors; Dodecylsulfate ion; Electrochemical polymerization; Humidity sensor; Polypyrrole; Polymers; Atmospheric humidity; Electrodes; Ionic conduction; Measurements; Sensors; Dodecylsulfate ion; Electrochemical polymerization; Humidity sensor; Polypyrrole; Polymers; dodecylsulfate ion; EDS; ionic conductivity; polypyrrole; sensor
ISSN
0379-6779
URI
https://pubs.kist.re.kr/handle/201004/146322
DOI
10.1016/0379-6779(93)90495-I
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KIST Article > Others
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