All-solid-state Ion-selective Silicone Rubber Membrane Electrodes with a New Conducting Polymer

Title
All-solid-state Ion-selective Silicone Rubber Membrane Electrodes with a New Conducting Polymer
Authors
박은랑정연준황선우허민채영준김홍선이상우신재호김인태권기정이소하
Keywords
Conducting polymer; Ion-selective membrane electrodes; Plasma
Issue Date
2012-03
Publisher
Journal of the Korean Physical Society
Citation
VOL 60, NO 6, 925-928
Abstract
New conducting polymers containing heterocyclic rings with carbazole, ethylene dioxythiophene (EDOT) and benzobisthiazole were synthesized and the characterized by using organic spectroscopic methods. Potentiometric ion-selective membrane electrodes (ISMEs) have been extensively used for ion analysis in clinical, environmental, and industrial fields owing to their 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 ion-selective membranes (ISMs) (2 to 3 higher orders of magnitude compared to those of poly(vinyl chloride)(PVC)-based ones) has significantly restricted their application. Herein, we demonstrate a new method to reduce the membrane resistance via addition of a new conducting polymer into the SR-based ISMs.
URI
http://pubs.kist.re.kr/handle/201004/42235
ISSN
03744884
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KIST Publication > Article
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