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Journal of Macromolecular Science, Part A
Pure and Applied Chemistry
Volume 39, 2002 - Issue 10
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Original Articles

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

Jin Gyu Roh Department of Material Science and Metallurgy, Kyungpook National University, 1370 Sankyuk-dong, Puk-gu Taegu, (702-701), Korea
,
Ha Ryong Hwang Department of Material Science and Metallurgy, Kyungpook National University, 1370 Sankyuk-dong, Puk-gu Taegu, (702-701), Korea
,
Joon Boo Yu Department of Material Science and Metallurgy, Kyungpook National University, 1370 Sankyuk-dong, Puk-gu Taegu, (702-701), Korea
,
Jeong Ok Lim Medical Research Institute, Kyungpook National University, 1370 Sankyuk-dong, Puk-gu Taegu, (702-701), Korea
&
Jeung Soo Huh Department of Material Science and Metallurgy, Kyungpook National University, 1370 Sankyuk-dong, Puk-gu Taegu, (702-701), KoreaCorrespondence[email protected]
Pages 1095-1105 | Published online: 07 Feb 2007
 
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Abstract

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.

ACKNOWLEDGMENT

The authors appreciate the financial support of NRL from MOST, Korea.

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