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    Hydrophobic conducting polymer films from post deposition thiol exposure

    Year: 2012

    Journal: Synthetic Metals, Volume 162, Issues 15–16, September 2012, Pages 1464-1470, 20120922

    Authors: Molino, P.J.a, Wallace, G.G.a, Hanks, T.W.ab

    Last authors: Hanks, T.W.

    Organizations: a ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, Wollongong, NSW 2522, Australia b Department of Chemistry, Furman University, 3300 Poinsett Hwy, Greenville, SC 29613, United States

    Country: USA, US, United States, United States of America, America, Australia

    Polypyrrole and poly(3,4-ethylenedioxythiophene) films react with a fluorinated thiol in either the gas phase or in solution. In contrast to the conducting polymer-initiated oxidation of thiols to disulfides, this reaction covalently links the sulfur to the polymer backbone, irreversibly decreasing the electroactivity of the polymer and dramatically changing the surface energy of the films. The reaction results in a modest decrease in the adsorption of proteins and cells to the film surfaces.