Electrochemical and optical properties of new soluble dithienylpyrroles based on azo dyes

dc.authoridAlgi, Fatih/0000-0001-9376-1770
dc.contributor.authorCihaner, Atilla
dc.contributor.authorAlgi, Fatih
dc.date.accessioned2025-01-27T20:31:23Z
dc.date.available2025-01-27T20:31:23Z
dc.date.issued2009
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractTwo dithienylpyrroles based on azo dyes, namely 2,5'-dimethyl-[4-(2,5-di-thiophen-2-yl-pyrrol-1-yl)-phenyl]azobenzene (SNS-AB2) and 2,5'- dimethyloxy-[4-(2,5-di-thiophen-2-yl-pyrrol-1-yl)phenyl]azobenzene (SNS-AB3), were synthesized and their corresponding polymers (PSNS-AB2 and PSNS-AB3) were successfully obtained via electropolymerization. The monomers have lower oxidation potentials (0.75 V and 0.80V vs. Ag/AgCl for SNS-AB2 and SNS-AB3, respectively) when compared to their analogous. Both monomers exhibited photoisomerism properties under irradiation at 360 nm. During the irradiation process, for example, the color of SNS-AB3 changes from yellow to greenish yellow. The electroactive polymer films have well defined and reversible redox couples with a good cycle stability in both aqueous and organic solutions. The polymer films also exhibited electrochromic behaviors; color changes from yellowish green to dark green for the PSNS-AB2 (lambda(max) = 435 nm and E-g = 2.31 eV) and from mustard color to green for PSNS-AB3 (lambda(max) = 430nm and E-g = 2.34 eV). Furthermore, the soluble polymers demonstrated different hues of yellow and green colors. (C) 2008 Elsevier Ltd. All rights reserved.
dc.description.sponsorshipScientific and Technical Research Council of Turkey (TUBITAK)
dc.description.sponsorshipAuthors express their gratitude to the Scientific and Technical Research Council of Turkey (TUBITAK) for financial support.
dc.identifier.doi10.1016/j.electacta.2008.09.067
dc.identifier.endpage1709
dc.identifier.issn0013-4686
dc.identifier.issn1873-3859
dc.identifier.issue6
dc.identifier.scopus2-s2.0-58249144742
dc.identifier.scopusqualityQ1
dc.identifier.startpage1702
dc.identifier.urihttps://doi.org/10.1016/j.electacta.2008.09.067
dc.identifier.urihttps://hdl.handle.net/20.500.12428/23128
dc.identifier.volume54
dc.identifier.wosWOS:000263441800007
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofElectrochimica Acta
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectElectropolymerization
dc.subjectPhotoisomerization
dc.subjectPolythiophene
dc.subjectPolypyrrole
dc.subjectAzobenzene
dc.titleElectrochemical and optical properties of new soluble dithienylpyrroles based on azo dyes
dc.typeArticle

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