Electrochemical characterization of arylene vinylene oligomers containing triphenylamine and carbazole units

Cyclic voltammetry (CV) has been used to investigate the electrochemical behavior of three arylene vinylene oligomers containing triphenylamine and carbazole units at the ends. The synthesis of oligomers was performed using Wittig reaction conditions, between 4-formyltriphenylamine or 3-formyl- N -h...

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Published in:Journal of applied electrochemistry 2010-11, Vol.40 (11), p.1967-1975
Main Authors: Vacareanu, Loredana, Grigoras, Mircea
Format: Article
Language:English
Subjects:
Carbazoles
Chemistry
Chemistry and Materials Science
Deposition
Electrochemistry
Electrodes
Industrial Chemistry/Chemical Engineering
Oligomers
Original Paper
Physical Chemistry
Polymeric films
Polymerization
Solubility
Spectroscopy
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cited_by cdi_FETCH-LOGICAL-c321t-f4d6852c1bd7f3887e99621e3b69c2972cf04178dbfe7570aa15bd0a481641f03
cites cdi_FETCH-LOGICAL-c321t-f4d6852c1bd7f3887e99621e3b69c2972cf04178dbfe7570aa15bd0a481641f03
container_end_page 1975
container_issue 11
container_start_page 1967
container_title Journal of applied electrochemistry
container_volume 40
creator Vacareanu, Loredana
Grigoras, Mircea
description Cyclic voltammetry (CV) has been used to investigate the electrochemical behavior of three arylene vinylene oligomers containing triphenylamine and carbazole units at the ends. The synthesis of oligomers was performed using Wittig reaction conditions, between 4-formyltriphenylamine or 3-formyl- N -hexyl-carbazole and two diphosphonium salts. The cyclic voltammograms, recorded in anodic range of potentials, revealed that the oligomers undergo quasi-reversible or irreversible redox processes. Polymer films were deposited on Pt electrode by CV and CPE (Controlled Potential Electrolysis) methods. The polymer films obtained by electrochemical polymerization methods show no solubility in all organic solvents and present similar FT-IR data with those polymers synthesized by chemical oxidative polymerization. Characterizations of the oligomers were made by 1 H-NMR spectroscopy, UV–Vis and fluorescence spectroscopy. Due to the lack of their solubility, the polymers obtained by electrochemical methods were characterized only by FT-IR spectroscopy.
doi_str_mv 10.1007/s10800-010-0173-z
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subjects Carbazoles
Chemistry
Chemistry and Materials Science
Deposition
Electrochemistry
Electrodes
Industrial Chemistry/Chemical Engineering
Oligomers
Original Paper
Physical Chemistry
Polymeric films
Polymerization
Solubility
Spectroscopy
title Electrochemical characterization of arylene vinylene oligomers containing triphenylamine and carbazole units
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