Properties of chiral polyaniline in various oxidation states

Optically active polyaniline has been prepared as the conducting emeraldine salts PAn.(+)-HCSA and PAn.(−)-HCSA (HCSA = camphorsulphonic acid). We now report the preparation and chiroptical properties of optically active polyaniline in the following redox and pH states: leucoemeraldine base, emerald...

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Bibliographic Details
Published in:Synthetic metals 1999-05, Vol.101 (1-3), p.817-818
Main Authors: Kane-Maguire, L.A.P, Norris, I.D., Wallace, G.G.
Format: Article
Language:English
Subjects:
Applied sciences
Electrical, magnetic and optical properties
emeraldine base
Exact sciences and technology
leucoemeraldine
Optically active
Organic polymers
pernigraniline
Physicochemistry of polymers
Properties and characterization
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Summary:Optically active polyaniline has been prepared as the conducting emeraldine salts PAn.(+)-HCSA and PAn.(−)-HCSA (HCSA = camphorsulphonic acid). We now report the preparation and chiroptical properties of optically active polyaniline in the following redox and pH states: leucoemeraldine base, emeraldine base, pernigraniline base and pernigraniline salt. These new chiral materials were obtained via the chemical reduction or oxidation of optically active PAn.(+)-HCSA or via de-doping with NH4OH. The reversibe generation of these novel optically active materials is of significance for potential applications.
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(98)01117-5