Journal ArticleDOI
Polyaniline, a novel conducting polymer. Morphology and chemistry of its oxidation and reduction in aqueous electrolytes
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The emeraldine salt form of polyaniline can be synthesized electrochemically as a film exhibiting a well defined fibrillar morphology closely resembling that of polyacetylene as mentioned in this paper.Abstract:
The emeraldine salt form of polyaniline, conducting in the metallic regime, can be synthesized electrochemically as a film exhibiting a well defined fibrillar morphology closely resembling that of polyacetylene. Cyclic voltammograms of chemically synthesized and electrochemically synthesized polyaniline are essentially identical. Probable chemical changes which occur and the compounds which are formed when chemically synthesized poly-aniline is electrochemically oxidized and reduced between –0.2 and 1.0 V vs. SCE in aqueous HCl solutions at pH values ranging from –2.12 (6.0 mol dm–3) to 4.0 have been deduced from cyclic voltametric studies. These are shown to be consistent with previous chemical and conductivity studies of emeraldine base and emeraldine salt forms of polyaniline. It is proposed that the emeraldine salt form of polyaniline has a symmetrical conjugated structure having extensive charge delocalization resulting from a new type of doping of an organic polymer–salt formation rather than oxidation which occurs in the p-doping of all other conducting polymer systems.read more
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Polyaniline nanofibers: facile synthesis and chemical sensors.
TL;DR: Polyaniline nanofibers with uniform diameters between 30 and 50 nm can be made in bulk quantities through a facile aqueous/organic interfacial polymerization method at ambient conditions and have superior performance in both sensitivity and time response to vapors of acid and base.
Journal ArticleDOI
Electrochemically Active Polymers for Rechargeable Batteries.
TL;DR: The goal of the present article is to provide a survey of electroactive polymers in view of potential applications in rechargeable batteries, and reviews the preparative methods and the electrochemical performance of polymers as rechargeable battery electrodes.
Journal ArticleDOI
A general chemical route to polyaniline nanofibers.
Jiaxing Huang,Richard B. Kaner +1 more
TL;DR: Interfacial polymerization is shown to be readily scalable to produce bulk quantities of nanofibers and the measured Brunauer-Emmett-Teller surface area of the nan ofibers increases as the average diameter decreases.
Journal ArticleDOI
Polyaniline: A historical survey
TL;DR: A survey of the literature available on conducting organic polyaniline can be found in this paper, where the authors provide a survey of some of the most recent work on polyanILine.
Journal ArticleDOI
Conducting Polyaniline Filaments in a Mesoporous Channel Host
Chun Guey Wu,Thomas Bein +1 more
TL;DR: This demonstration of conjugated polymers with mobile charge carriers in nanometer channels represents a step toward the design of nanometer electronic devices.
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