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Synthesis and characterization of thiophene functionalized polystyrene copolymers and their electrochemical properties
Date
2005-12-01
Author
Sahin, E
Camurlu, P
Toppare, Levent Kamil
Mercore, VM
Cianga, I
Yagci, Y
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Thiophene functionalized polystyrene samples (TFPS) were synthesized by atom transfer radical polymerization (ATRP) of styrene, followed by Suzuki coupling with 3-thiophene (Th) boronic acid. Conducting graft polymer of TFPS with thiophene was achieved at 1.5 V in tetrabutylammonium tetrafluoroborate/dichloromethane (TBAFB/DM) by electrochemical methods. Spectroelectrochemical analysis of the resulting copolymers [P(TFPS-co-Th)] reflected electronic transitions at 449, 721 and 880 nm, revealing pi - pi* transition, polaron and bipolaron band formation, respectively. We also successfully established the utilization of dual type complementary colored polymer electrochromic devices using P(TFPS-co-Th)/poly(3,4-ethylenedioxythiophene (PEDOT) in sandwich configuration. The switching ability, stability and optical memory of the electrochromic device were investigated by UV-visible spectrophotometry and cyclic voltammetry. Device switches between brown and blue color with a switching time of 1.3 s were prepared with optical contrast (%Delta T) of 25 (c) 2005 Society of Chemical Industry.
Subject Keywords
Polymers and Plastics
URI
https://hdl.handle.net/11511/38664
Journal
POLYMER INTERNATIONAL
DOI
https://doi.org/10.1002/pi.1887
Collections
Department of Chemistry, Article
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E. Sahin, P. Camurlu, L. K. Toppare, V. Mercore, I. Cianga, and Y. Yagci, “Synthesis and characterization of thiophene functionalized polystyrene copolymers and their electrochemical properties,”
POLYMER INTERNATIONAL
, pp. 1599–1605, 2005, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/38664.