Abstract

Herein, electrochromic terpyridine-triphenylamine (Terpy-TPA) polymer films were prepared by electropolymerization of a Terpy-TPA monomer solution in acetonitrile:toluene (1:4, v/v) and. characterized by cyclic voltammogram and absorption spectra in a 50 mM aqueous tetramethylammonium perchlorate as an electrolyte using a standard three-electrode system. The above films could be reversibly color changes between orange (neutral state) and cyan (oxidized state) and maintained a high coloration efficiency of 229 cm2 C−1 at 750 nm in the aqueous electrolyte solution.

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