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PEDOT:PSS or Poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) is a polymer mixture of two ionomers. One component in this mixture is made up of sodium polystyrene sulfonate which is a sulfonated polystyrene. Part of the sulfonyl groups are deprotonated and carry a negative charge. The other component poly(3,4-ethylenedioxythiophene) or PEDOT is a conjugated polymer and carries positive charges and is based on polythiophene. Together the charged macromolecules form a macromolecular salt. It is used as a conductive polymer. This compound is generally applied as a dispersion of gelled particles in water. A conductive layer on glass is obtained by spreading a layer of the dispersion on the surface usually by spin coating and driving out the water by heat.
Additional recommended knowledge
BAYTRON P (see figure), a product of H.C. Starck, has been extensively used as an antistatic coating (as packaging materials for electronic components, for example). AGFA coats 200 × 10 m of photographic film per year with Baytron because of its antistatic properties. The thin layer of Baytron is virtually transparent and colorless, prevents electrostatic discharges during film rewinding, and reduces dust buildup on the negatives after processing.
Categories: Organic semiconductors | Polyelectrolytes | Copolymers | Antistatic agents
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "PEDOT:PSS". A list of authors is available in Wikipedia.|