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Abstract A novel electrochromic material of poly(3-3′-dibromo-2-2′-bithiophene) (P(DBT)) and new electrochromic copolymers of 3,4-ethylenedioxythiophene and 3-3′-dibromo-2-2′-bithiophene prepared from different monomer feed ratios were synthesized by using electroanalytical methods. Homopolymerization and… Click to show full abstract
Abstract A novel electrochromic material of poly(3-3′-dibromo-2-2′-bithiophene) (P(DBT)) and new electrochromic copolymers of 3,4-ethylenedioxythiophene and 3-3′-dibromo-2-2′-bithiophene prepared from different monomer feed ratios were synthesized by using electroanalytical methods. Homopolymerization and copolymerization were achieved in the medium of 0.1 M LiClO4/ACN solvent-electrolyte couple. Cyclic voltammetry (CV), atomic force microscopy (AFM), fourier transform infrared spectroscopy and ultraviolet and visible (UV-Vis) absorption spectroscopy were used to characterize corresponding homopolymer and copolymers. Electrochemical, morphological and optical properties of copolymers were alternated depending on changing the monomer feed ratio in the copolymer structure. Furthermore, electrochromic properties of the all polymers were also investigated.
Journal Title: Polymer
Year Published: 2017
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