Impedance spectroscopy study of conducting polymer blends of PEDOT:PSS and \PVA\
By Chang-hsiu Chen and Allen Kine and Richard D. Nelson and John C. LaRue
Published in Synthetic Metals
NULL
2015
Abstract
Blends of the conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) with polyvinyl alcohol (PVA) have many potential applications including microelectromechanical systems (MEMS) and other electronic devices. Specifically, PEDOT:PSS acts as the electrical conductor, while the \PVA\ provides ductility and other mechanical enhancements. Concentrations of PEDOT:PSS at 20, 30 and 40 weight percentage (wt%) in PEDOT:PSS/PVA mixtures have been found to provide optimal mechanical and electrical properties. PEDOT:PSS/PVA films are prepared using a casting method and electrochemical impedance spectroscopy is used to investigate the electrical properties. The extrapolated \DC\ conductivities are obtained in a dry nitrogen environment at room temperature and determined to be 3.917
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