A new processable donor-acceptor polymer displaying neutral state yellow electrochromism

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dc.authoridKoyuncu, Sermet/0000-0001-8352-8326
dc.contributor.authorOguzhan, Eda
dc.contributor.authorBilgili, Hakan
dc.contributor.authorKoyuncu, Fatma Baycan
dc.contributor.authorOzdemir, Eyup
dc.contributor.authorKoyuncu, Sermet
dc.date.accessioned2025-01-27T20:59:44Z
dc.date.available2025-01-27T20:59:44Z
dc.date.issued2013
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractWe report here the synthesis of a new solution processable neutral state yellow polymeric electrochromic material containing 2,5-bis-dithienyl-1H-pyrrole (SNS)-donor and 1,8 naphthalimide-acceptor (SNS-NI) as a subunit. The electrochemical and optical properties were investigated via cyclic voltammetry (CV), UV Vis absorption and fluorescence emission measurements, respectively. Besides, electrochromic performance of poly(SNS NI) has been compared to the both the film preparation method and poly(1-phenyl-2,5-dithiophen-2-ylpyrrole) [poly(SNS-P)] as a standard polymer. In the poly(SNS-NI), yellow color of the polymer film at neutral state converted to green and then dark blue upon the polymer film fully oxidized in the positive regime. SNS NI polymer film prepared via spin casting process exhibits a high contrast ratio in the near-IR region (Delta T% = 56% at 890 nm), a response time of about 1 s, high coloration efficiency (299 cm(2) C-1) and retained its performance by 98.6% even after 5000 cycles. Finally, the results clearly indicate that both electronic nature of the molecule and film preparation method have a major impact on electrochromic performance of these polymers. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.
dc.description.sponsorshipCanakkale Onsekiz Mart University Grants Commission [2011/005]; Scientific and Technical Research Council of Turkey (TUBITAK) [110T830]
dc.description.sponsorshipWe acknowledge the supports from Canakkale Onsekiz Mart University Grants Commission (Project Number: 2011/005). We also gratefully acknowledge to Scientific and Technical Research Council of Turkey (TUBITAK, project #: 110T830) for financial support.
dc.identifier.doi10.1016/j.polymer.2013.09.033
dc.identifier.endpage6292
dc.identifier.issn0032-3861
dc.identifier.issn1873-2291
dc.identifier.issue23
dc.identifier.scopus2-s2.0-84886288556
dc.identifier.scopusqualityQ1
dc.identifier.startpage6283
dc.identifier.urihttps://doi.org/10.1016/j.polymer.2013.09.033
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26807
dc.identifier.volume54
dc.identifier.wosWOS:000326140800003
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofPolymer
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectElectrochromic materials
dc.subjectMorphology effect
dc.subject2,5-Di-(2-thienyl)-1H-pyrrole
dc.titleA new processable donor-acceptor polymer displaying neutral state yellow electrochromism
dc.typeArticle

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