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Journal №1 for 2017 г.
Article in number:
Properties of plasmachemical nanocomposit polyaninine coatings with aluminum and silver chlorides at the increased temperature
Keywords: polyaniline aluminum and silver chlorides electron-beam dispersion nanocomposite Raman and IR spectra activation energy hopping conduction electrical relaxation silver nanoclusters tunnel transport
Authors:
O.A. Sarkisov - Research Scientist, Belarusian State University of Transport (Gomel) Е-mail: simmak79@mail.ru P.A. Luchnikov - Research Scientist, Moscow Technological University Е-mail: xamdex@gmail.com M.A. Yarmolenko - Ph.D. (Eng.), Associate Professor, Leading Research Scientist, Francisk Skorina Gomel State University Е-mail: simmak79@mail.ru A.A. Rogachev - Dr.Sc. (Eng.), Associate Professor, Leading Research Scientist, A.V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus (Minsk) E-mail: rogachev78@mail.ru
Abstract:
The features of the nanocomposites structural properties based on polyaniline (PANI) of their electrical conductivity (EC) state and electrical relaxation during operation of 25...100 °C were considered. The thin nanocomposite layers were deposited on a substrate from the active gas phase. The original components were evaporated to a molecular stream using electron-beam dispersion in a vacuum. Raman and IR spectroscopic studies of the structure of PANI+AlCl3 and PANI+AgCl films were carried out. A high degree of in-termolecular and intramolecular interaction between amine groups was established, as well as interaction between nitrogen atoms and PANI main chains with a high degree of protonation. The investigations of dielectric relaxation in film systems PANI+AlCl3 and PANI+AgCl in the temperature range 25...85 оС are carried out. The values of the activation energies of the EC at constant and alter-nating current are determined. The thermoactivation character of the EC is established when an accelerated hopping and tunneling mechanism of charge transfer in the presence of silver nanoclusters into a composite structure.
Pages: 22-31
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