Abstract
In aqueous dispersion of poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS), the mixture dispersion containing different proportion of polyhedral oligomeric silsesquioxanes (POSS) and dimethyl sulfoxide (DMSO) were added. These three components were physically blended to fabricate composite films for improving the mechanical properties and the water resistance of PEDOT:PSS films; a strong drawback hindering their electrical properties. The effect of the ratio of POSS compared to PEDOT:PSS was in particular investigated. It was convincingly proven that the introduction of POSS unit and strong polar DMSO improved surface roughness, hydrophobicity, stability, friction resistance and electrical properties of PEDOT:PSS films.
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