Electrochemical Analysis of Conducting Polymer Thin Films
AbstractPolyelectrolyte multilayers built via the layer-by-layer (LbL) method has been one of the most promising systems in the field of materials science. Layered structures can be constructed by the adsorption of various polyelectrolyte species onto the surface of a solid or liquid material by means of electrostatic interaction. The thickness of the adsorbed layers can be tuned precisely in the nanometer range. Stable, semiconducting thin films are interesting research subjects. We use a conducting polymer, poly(p-phenylene vinylene) (PPV), in the preparation of a stable thin film via the LbL method. Cyclic voltammetry and electrochemical impedance spectroscopy have been used to characterize the ionic conductivity of the PPV multilayer films. The ionic conductivity of the films has been found to be dependent on the polymerization temperature. The film conductivity can be fitted to a modified Randle’s circuit. The circuit equivalent calculations are performed to provide the diffusion coefficient values. View Full-Text
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Vyas, R.N.; Wang, B. Electrochemical Analysis of Conducting Polymer Thin Films. Int. J. Mol. Sci. 2010, 11, 1956-1972.
Vyas RN, Wang B. Electrochemical Analysis of Conducting Polymer Thin Films. International Journal of Molecular Sciences. 2010; 11(4):1956-1972.Chicago/Turabian Style
Vyas, Ritesh N.; Wang, Bin. 2010. "Electrochemical Analysis of Conducting Polymer Thin Films." Int. J. Mol. Sci. 11, no. 4: 1956-1972.