OXIDANT EFFECTS ON POLYPYRROLE AND POLYANILINE SENSOR FOR SEVERAL VOLATILE ORGANIC GASES

The properties of polypyrrole and polyaniline sensor made from chemical polymerization were investigated. It was found that the oxidant (ammonium persulfate) affected solubility, conductivity and the sensing characteristics of polypyrrole and polyaniline. Atomic force microscopy (AFM) was used to in...

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Bibliographic Details
Published in:Journal of macromolecular science. Part A, Pure and applied chemistry Pure and applied chemistry, 2002-01, Vol.39 (10), p.1095-1105
Main Authors: Roh, Jin Gyu, Hwang, Ha Ryong, Yu, Joon Boo, Lim, Jeong Ok, Huh, Jeung Soo
Format: Article
Language:English
Subjects:
Applied sciences
APS (ammonium persulfate acid)
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polyaniline
Polymers with particular properties
Polypyrrole
Preparation, kinetics, thermodynamics, mechanism and catalysts
VOCs
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Summary:The properties of polypyrrole and polyaniline sensor made from chemical polymerization were investigated. It was found that the oxidant (ammonium persulfate) affected solubility, conductivity and the sensing characteristics of polypyrrole and polyaniline. Atomic force microscopy (AFM) was used to investigate the morphology of the sensing films. A sensor array with 6 sensors was developed to recognize various kinds and quantities of volatile organic compounds (VOCs), such as benzene, toluene and chloroform. Principal Components Analysis (PCA) was used to analyze the VOC sensing characteristics.
ISSN:1060-1325
1520-5738
DOI:10.1081/MA-120014837