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Processable and multichromic polymer of bis-3-hexylthiophene substituted 4-tert-butylphenyl quinoxaline
Date
2008-06-01
Author
Ozyurt, Funda
Günbaş, Emrullah Görkem
Durmus, Asuman
Toppare, Levent Kamil
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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A new polythiophene derivative, poly-2,3-bis(4-tert-butylphenyl)-5,8-bis(4-hexylthiophen-2-yl)quinoxaline (PHTQ) was synthesized by both chemical and electrochemical polymerization and its electrochemical properties were reported. The monomer was electrochemically polymerized in the presence of tetrabutylammonium hexafluoropbosphate (TBAPF(6)) as the supporting electrolyte in dichloromethane-acetonitrile (5:95, v:v). Nuclear magnetic resonance (H-1 NMR) and Fourier transform infrared (FTIR) were utilized for the characterization of the monomer and the soluble polymer. The polymer was further characterized by gel permeation chromatography (GPC). Spectroelectrochemistry and switching ability of the polymer were investigated by UV-vis spectrophotometer and cyclic voltammetry. The polymer revealed three distinctive colors upon doping which indicated that the polymer is multichromic. tert-Butyl group on the pendant phenyl rings and hexyl groups on thiophene eased the solution processability of the electrochromic polymer. The electrochemical and spectral properties of the chemically synthesized polymer were investigated via spray coating on ITO glass slides.
Subject Keywords
Electrical and Electronic Engineering
,
Materials Chemistry
,
Electronic, Optical and Magnetic Materials
,
General Chemistry
,
Condensed Matter Physics
,
Biomaterials
URI
https://hdl.handle.net/11511/48882
Journal
ORGANIC ELECTRONICS
DOI
https://doi.org/10.1016/j.orgel.2007.11.006
Collections
Department of Chemistry, Article