Article ID Journal Published Year Pages File Type
7921935 Materials Chemistry and Physics 2018 19 Pages PDF
Abstract
A photoelectric material poly(3,4-ethylenedioxythiophene)sulfonate (PEDOT-S) with better water-soluble ability was synthesized by the enzymatic-catalyzed method using sodium 4-(2,3-dihydrothieno [3,4-b] [1,4]dioxin-2-yl)-methoxybutane-1-sulfonate (EDOT-S) as monomer, horseradish peroxidase (HRP) enzyme as catalyst, and hydrogen peroxide (H2O2) as oxidant. This enzymatic-catalyzed polymerization is a “green synthesis process” for the synthesis of water-soluble conjugated PEDOT-S, which was carried out with no organic solvent, no water-soluble polyelectrolyte such as polystyrenesulfonate (PSS), no metallic catalyst and no high reaction temperature. UV-Vis spectrum of PEDOT-S changing immediately on varying the pH of the solution showed that the self-acid-doping had occurred. Thermogravimetric (TG) analyses indicated the presence of a stable form of polymer. Atomic force microscopy(AFM) images illustrated that the acid PEDOT-S aqueous solution can form excellent homogeneous and smooth films, while the basic aqueous solution induces the aggregation of polymer.
Related Topics
Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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