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Synthesis, characterization, and electrochromic properties of conducting poly(hexanedioic acid bis-(2-thiophen-3-yl-ethyl ester) and its copolymer with thiophene
Date
2004-10-14
Author
CAMURLU, P
Çırpan, Ali
Toppare, Levent Kamil
Metadata
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Hexanedioic acid bis-(2-thiophen-3-yl-ethyl) ester (HABTE) was synthesized via the reaction of 3-thiophene ethanol with adipoyl chloride. Resulting monomer was electrochemically homopolymerized in the presence of tetrabutylammonium tetrafluoroborate as the supporting electrolyte, in acetonitrile/borontrifloride ethylether solvent mixture (8:2, v/v). Copolymerization in the presence of thiophene was achieved in TBAFB/AN. Resulting homo and copolymers were characterized via CV, FTIR, DSC, TGA, SEM, and UV-vis Spectroscopy. Spectroelectrochemistry analysis of homopolymer, P(HABTE), reflected electronic transitions at 385, 600, and 900 nm, revealing pi-pi* transition, polaron, and bipolaron band formation, respectively. Switching ability of the homopolymer was evaluated by a kinetic study upon measuring the %T at the maximum contrast point, indicating that PHABTE is a potential material for electrochromic devices.
Subject Keywords
Mechanical Engineering
,
Materials Chemistry
,
Mechanics of Materials
,
Electronic, Optical and Magnetic Materials
,
Condensed Matter Physics
,
Metals and Alloys
URI
https://hdl.handle.net/11511/41858
Journal
SYNTHETIC METALS
DOI
https://doi.org/10.1016/j.synthmet.2004.06.010
Collections
Department of Chemistry, Article