Enhancing electrochromic and kinetic properties of poly(2,3-bis(4-tert-butylphenyl)-5,8-di(1H-pyrrol-2-yl) quinoxaline) by copolymerization

Selin Celebi, Derya Baran, Abidin Balan, Levent Toppare*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Electrochemical copolymerization was utilized to combine several properties into a single material in order to obtain a highly stable polymer with a low band gap to meet the requirements for color variation. In that sense, two new donor acceptor type electrochromic copolymers of 2,3-bis(4-tert-butylphenyl)-5,8-di(1H-pyrrol-2-yl) quinoxaline (TBPPQ) with bis(3,4-ethylenedioxythiophene) (BiEDOT) and with 4,7-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-2-dodecyl-2H-benzo [1,2,3] triazole (BEBT) were synthesized by electrochemical polymerization. Polymers revealed multicolor electrochromic properties with distinct accessible states and low operation potentials. Electrochromic and kinetic properties of polymers were investigated using cyclic voltammetry (CV) and in situ UV-vis-NIR spectroscopy.

Original languageEnglish (US)
Pages (from-to)2373-2376
Number of pages4
JournalElectrochimica Acta
Volume55
Issue number7
DOIs
StatePublished - Feb 28 2010

Keywords

  • Conducting polymer
  • Copolymerization
  • Electrochemical polymerization
  • Low band gap
  • Multicolor electrochromism

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Electrochemistry

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