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http://dx.doi.org/10.12925/jkocs.2013.30.2.258

All-Solid-State Ion-Selective Electrodes With Organic Solvents Soluble Conducting Polymer for Chemical Sensor  

Kim, Joong-Il (Department of Chemistry, Kwangwoon University)
Park, Jong-Ho (Department of Chemistry, Kwangwoon University)
Jang, Won (Department of Chemistry, Kwangwoon University)
Heo, Min (Department of Chemistry, Kwangwoon University)
Na, Young-Ho (Department of Electrical and biological physics, Kwangwoon University)
Shin, Jae-Ho (Department of Chemistry, Kwangwoon University)
Kim, Do-Young (Department of Electrical and biological physics, Kwangwoon University)
Um, Hwan-Sub (Department of Electrical and biological physics, Kwangwoon University)
Lee, Sang-Woo (Department of Chemistry, Kwangwoon University)
Kim, In-Tae (Department of Chemistry, Kwangwoon University)
Publication Information
Journal of the Korean Applied Science and Technology / v.30, no.2, 2013 , pp. 258-263 More about this Journal
Abstract
New conducting polymers containing heterocyclic ring with carbazole, EDOT and benzobisthiazole were synthesized and characterized by organic spectroscopic methods. Potentiometric ion-selective membrane electrodes (ISMEs) have been extensively used for ion analysis in clinical, environmental, and industeial fields owing to its wide response range (4 to 7 orders of magnitude), no effect of sample turbidity, fast response time, and ease of miniaturization. Considerable attention has been given to alternative use of room temperature vulcanizing (RTV)-type silicone rubber(SR) owing to its strong adhesion and high thermal durability. Unfortunately, the high membrane resistance of SR-based (ISMs)(2 to 3 higher orders of magnitude compared to those of poly(vinyl chloride)(PVC)-based ones) has significantly restricted its application. Herein we demonstrate a new method to reduce membrane resistance via addition of new conducting polymer into the SR-based ISMs.
Keywords
Chemical Sensor; Conducting Polymer; Stability; Electrodes;
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