NDLI: Effect of the conditions of chemically and electrochemically making p-doped poly(n-epoxypropylcarbazole) on its physicochemical and spectral properties

Content Provider	IEEE Xplore Digital Library
Author	Pokbodenko, V.D. Guba, N.F.
Copyright Year	1994
Description	Author affiliation: L.V. Pisarzhevskij Institute of Physical Chemistry of Academy of Sciences of the Ukraine (Pokbodenko, V.D.)
Abstract	Summary form only given. Chemical and electrochemical methods to make and p-dope conducting polymers based on poly(N-epoxypropylecarbazole) (PEPC) were developed. The conducting polymers were shown to be formed as films or powders featuring diverse spectral properties(absorption and luminescence), conductivity and solubility values, depending on the polymer doping procedure. When varying the doping conditions the conductivity of p-doped PEPC was found to be increasing by a factor of 10/sup 5/ following this trend in the context of the dopants used: BF/sup -//sub 4/>SbCl/sup -//sub 6/>VOCl/sup -//sub 4/. The solubility of conducting PEPC was shown to mount, following the same trend, in terms of the above dopants, too. As was found out, tetrafluoroborate anion-doped PEPC exhibits the largest condudtivity values, is practically insoluble in conventional solvents and has the absorption band at 800 nm, whereas soluble PEPC forms doped by antimony pentachloride and vanadium oxychloride absorb at 595 and 536 nm, respectively. An insoluble antimony pentachloride-doped PEPC form was found to exhibit paramagnetism owing to the cation radical fragments presence in the polymeric chain, its ESR spectrum being a singlet with g=2.0036 (paramagnetic centre concentration = 6.4.10/sup 19/ spin/g).
Starting Page	298
Ending Page	298
File Size	105134
Page Count	1
File Format	PDF
DOI	10.1109/STSM.1994.835329
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-07-24
Publisher Place	Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Solvents Paramagnetic resonance Absorption Paramagnetic materials Conductivity Polymers Chemicals
Content Type	Text
Resource Type	Article

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