Journal
MOLECULES
Volume 27, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/molecules27061812
Keywords
nickel complex; Schiff base ligand; electropolymerization of complexes; kinetics; modified electrode
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This study investigates the kinetics of electrode processes in polymer films by modifying electrodes with polymers. The transport of anions is found to determine the rate of charge transport. Poly[Ni(salcn(Bu))] modified electrodes prepared using TBAPF(6) and working in TBAClO(4) and TBABF(4) exhibit the most efficient kinetics.
Electrodes modified with polymers derived from the complexes [Ni(salcn)], [Ni(salcn(Me))] and [Ni(salcn(Bu))] were obtained in order to study the kinetics of electrode processes occurring in polymer films, depending on the thickness of the films, the type of electrolyte and the solvent. FTIR and EQCM methods were used to determine the type of mass transported into polymer films during anode processes and the number of moles of ions and solvent. The rate of charge transport through films was determined by the cyclic voltammetry method, by the quantity cD(1/2). It was shown that the charge transport was determined by the transport of anions. The kinetics were most efficient for poly[Ni(salcn(Bu))] modified electrodes, obtained from TBAPF(6) and working in TBAClO(4) and TBABF(4). It was also shown that a solvent with a higher DN value and lower viscosity (MeCN) facilitated the transport of the charge through polymer films.
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