A conducting composite of polypyrrole II. As a gas sensor

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A conducting composite of polypyrrole II. As a gas sensor.pdf (547.61 KB)

Date

1995

Authors

Selampinar, F.
Toppare, L.
Akbulut, U.
Yalçin, T.
Süzer, Ş.

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Abstract

Pure polypyrrole (PPy) and polypyrrole-polyamide (PPy-PA) composite films were synthesized electrochemically. The gas-sensing ability was investigated for both pure PPy and PPy-PA films. The composite films' response to several gases are better defined and reproducible compared to pristine conducting polymer. Electrochemical behaviour of PPy and PPy-PA electrodes in the presence of pyrrole and pyrrole-free medium is investigated via cyclic voltammetry. Mass spectrometry studies strictly reveal that the composite is completely different to a mechanical mixture. This phenomenon is discussed in comparison to polyaniline-polycarbonate composite. © 1995.

Source Title

Synthetic Metals

Publisher

Elsevier

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Keywords

Composite, Gas sensor, Chemical sensors, Copolymerization, Cyclic voltammetry, Electric conductivity measurement, Electrochemistry, Electrodes, Grafting (chemical), Mass spectrometry, Polyamides, Polycarbonates, Synthesis (chemical), Polypyrrole, Organic conductors

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http://hdl.handle.net/11693/25887

Published Version (Please cite this version)

http://dx.doi.org/10.1016/0379-6779(94)02299-E

Collections

Scholarly Publications - Chemistry

Language

English

Type

Article