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Preparation and Properties of Electrodes Modified by Polymeric Films with Pendant Anthraquinone Groups
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1985
Year
EngineeringChemistryRedox PeaksPolymersConducting PolymerChemical EngineeringPolymer TechnologyMacromolecular EngineeringOrganic ElectrochemistryElectrode Reaction MechanismPolymer ChemistryElectrodes ModifiedMaterials ScienceElectroactive MaterialPolymeric FilmsPolymer ReactionElectrochemistryPolymer SciencePolymer CharacterizationElectroanalytical SensorFunctional MaterialsPendant Anthraquinone GroupsUv Irradiation
Polymeric films of poly‐[p‐(9,10‐anthraquinone‐2‐carbonyl)styrene]‐co‐styrene were deposited on Pt by evaporation of solvent from toluene solutions. The films were insolubilized and stabilized by cross‐linking reactions initiated by UV irradiation. The voltammetric reduction to the radical anion is reversible in dimethylsulfoxide solution containing tetraethylammonium perchlorate. The redox peaks occur at identical potentials and show the linear current dependence on scan rate characteristic of adsorbed systems. Spectroelectrochemistry of successive reduction cycles confirmed the reversible formation of the radical anion and dianion. The electrocatalytic reduction of was conducted with these modified electrodes.