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Donor-Acceptor Polymer with Benzotriazole Moiety: Enhancing the Eleetrochromic Properties of the "Donor Unit"
Date
2008-12-23
Author
Balan, Abidin
Günbaş, Emrullah Görkem
Durmus, Asuman
Toppare, Levent Kamil
Metadata
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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 donor-acceptor type polymer poly(4,7-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-2-dodecyl-2H-benzo [1,2,3] triazole) (PBEBT) was synthesized and its electrochromic properties were investigated. Spectroelectrochemistry studies for PBEBT showed an absorption maximum at 618 nm which is nearly identical to that of poly(ethylenedioxythiophene) (PEDOT) where polymer has a saturated blue color in its neutral state. However, PBEBT film revealed better properties than that of PEDOT in terms of optical contrast, switching time and coloration efficiency. Additionally, electrochemical and spectral results conclude that PBEBT is a both p- and n-type dopable polymer. PBEBT proved to be a superior option for electrochromic display device applications.
Subject Keywords
Field-effect transistors
,
Electrochromic polymers
,
Poly(3,4-alkylenedioxythiophene) derivatives
,
Conjugated polymers
,
Processable green
,
Band-gap
,
Devices
,
Thiophene
,
Electrochemistry
,
Conductivity
URI
https://hdl.handle.net/11511/35984
Journal
CHEMISTRY OF MATERIALS
DOI
https://doi.org/10.1021/cm802937x
Collections
Department of Chemistry, Article