Electrosynthesis of poly(3,4-ethylenedithiathiophene) in an ionic liquid and its electrochemistry and electrochromic properties

- Electropolymerization of 3,4-ethylenedithiathiophene in BmimPF6 was reported.
- The structure and optoelectronic properties of PEDTT film were studied.
- PEDTT could be redoped by cyclic voltammetry to improve its doping level.
- PEDTT reveals favorable electrochromic properties.