Multifrequency EPR study of charge transport in doped polyanilineстатья
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Дата последнего поиска статьи во внешних источниках: 8 июня 2022 г.
Аннотация:Polyaniline highly doped with acrylamido-2-methyl-1-propanesulphonic (PANI-AMPSA) and camphorsulfonic (PANI-CSA) acids have been studied at X- (9.5 GHz) and K- (37.5 GHz) bands EPR. Localized Curie-like and mobile Pauli-like spin charge carriers are stabilized in amorphous and crystalline regions of the samples. AC conductivity contributed from these carriers was determined. It was shown that, in contrast with PANI-AMPSA, PANI-CSA with higher both d.c . and a.c. conductivity is a more ordered metal with more rigid and planar polymer chains.