Journal
ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS
Volume 230, Issue 9, Pages 1281-1302Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/zpch-2016-0752
Keywords
PEDOT; Overoxidation; Voltammetry; Electrochemical Impedance; Scanning Electron Microscopy; X-ray Diffraction; Morphology
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In this review, results of recent studies on the electrochemical stability and degradation properties of poly(3,4-ethylenedioxythiophene) films are summarized, with particular emphasis on the structural changes induced by overoxidation and electrochemical degradation. The most important electrodeposition methods for the preparation of PEDOT films in surfactant free aqueous media have also been summarized, and several experimental techniques suitable for monitoring the degradation process have been discussed. Morphological changes in PEDOT films during overoxidation have been analyzed. Overoxidation mechanisms proposed in the literature have been surveyed.
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