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Synthesis and electrochemical properties of a new benzimidazole derivative as the acceptor unit in donor-acceptor-donor type polymers
Date
2012-04-15
Author
OZELCAGLAYAN, Ali Can
SENDUR, Merve
AKBASOGLU, Naime
APAYDIN, Dogukan Hazar
Çırpan, Ali
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 benzimidazole unit, 4'-(tert-butyl)spiro[benzo[d]imidazole-2,1'-cyclohexane] was synthesized and coupled with different donor units like 3-hexylthiophene and 3,4-ethylenedioxythiophene (EDOT) via Stille coupling. The donor-acceptor-donor (D-A-D) type monomers, 4'-(tert-butyl)-4,7-bis(4-hexylthiophen-2-yl)spiro[benzo[d]imidazole-2,1'-cyclohexane] (BIHT) and 4'-(tert-butyl)-4,7-bis(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)spiro[benzo[d]imidazole-2,1'-cyclohexane] (BIED) were electrochemically polymerized, their electrochemical and optical properties were investigated by cyclic voltammetry, UV-vis-NIR spectroscopy techniques. Effect of donor groups on the optical and electronic properties of polymer was studied.
Subject Keywords
Benzimidazole
,
Electrochromism
,
Multichromic
,
Conjugated polymers
,
Donor effect
URI
https://hdl.handle.net/11511/46465
Journal
ELECTROCHIMICA ACTA
DOI
https://doi.org/10.1016/j.electacta.2012.02.047
Collections
Department of Chemistry, Article