Plasma treatment of polyaniline films: Effect on the intrinsic oxidation states
- 1 June 1996
- journal article
- Published by Springer Nature in Journal of Materials Research
- Vol. 11 (6) , 1570-1573
- https://doi.org/10.1557/jmr.1996.0196
Abstract
Surface modification of emeraldine (EM) and nigraniline (NA) base films by argon plasma treatment was investigated by x-ray photoelectron spectroscopy (XPS). Argon plasma treatment, followed by atmospheric exposure, results in the oxidation of some carbon atoms, first to C–O species and then to C = O and COOH species for samples with extended plasma treatment time. Most important of all, Ar plasma treatment and the accompanied carbon oxidation readily cause a decrease in the intrinsic oxidation state ([=N— ]/[—NH—] ratio) of the aniline polymers.Keywords
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