Electrochemical preparation of pyronin Y thin films on gold substrates

作者: Murat Alanyalıoğlu , Mustafa Arık

DOI: 10.1002/APP.29038

关键词: Cyclic voltammetryInorganic chemistryElectrolysisSupporting electrolyteFluorescence spectroscopyAnalytical chemistryAbsorption (chemistry)Absorption spectroscopyChronoamperometryChemistryAdsorption

摘要: Cyclic voltammetry, chronoamperometry, UV-vis absorption spectroscopy, fluorescence FTIR and AFM techniques have been employed to investigate pyronin Y thin films formed on Au(111) substrates by electrochemical oxidation of monomer. The medium used in the electropolymerization was an anhydrous acetonitrile solution containing 0.1M TBAClO4 as supporting electrolyte. Anodic potential (1450 mV) has obtained from cyclic voltammetry data. Solid-state performed potential-controlled electrolysis technique. Chronoamperometry studies indicate that adsorption takes place instantaneous three-dimensional nucleation growth mechanism which is accompanied random adsorption. spectra a function electrodeposition time show insoluble Au electrode surface. FTIR-specular reflectance polymer coated reveals there possible CC coupling formation polymeric structure. A well ordered chain structure observed © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2009

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