Bromo-substituted cibalackrot backbone, a versatile donor or acceptor main core for organic optoelectronic devices

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dc.contributor.authorDincalp, Haluk
dc.contributor.authorSaltan, Gozde Murat
dc.contributor.authorZafer, Ceylan
dc.contributor.authorKiymaz, Deniz Aykut
dc.date.accessioned2019-10-27T09:59:31Z
dc.date.available2019-10-27T09:59:31Z
dc.date.issued2018
dc.departmentEge Üniversitesien_US
dc.description.abstractCibalackrot (Ci-I), one of the latest highly conjugated compound possessing bis-lactam structure, was investigated with respect to their brominated derivatives in order to determine their suitable substitution points for the syntheses of new class of small molecules for optoelectronic devices. 7,14-Bis(4-bromophenyl) (Ci-II) and 3,10-dibromo (Ci-III) derivatives of cibalackrot possess moderately narrow band gaps of 2.15 and 2.09 eV, respectively. Notably, Ci-III dye exhibits more red-shifted ultraviolet -visible (UV vis) absorption and fluorescence emission spectra as compared to that of Ci-II dye because Ci-Ill shows more prominent intramolecular charge transfer (ICT) complex than that of Ci-II dye. Electron mobilities of the order of 7.0 x 10(-4) cm(2)/V and 3.1 x 10(-4) cm(2)/V were measured using Ci-II and Ci-III as active layer, respectively. Charge transfer properties of the molecules were investigated in bulk heterojunction device configuration wherein Ci-III showed p-type behavior against n-type PCBM in photovoltaic device. Photovoltaic performance of Ci-III dye which was used as donor component is 20 times higher than that of the device in which this dye was used as acceptor. (C) 2018 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipScientific and Technological Research Council of TurkeyTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [113Z250]en_US
dc.description.sponsorshipThis study was financed by the Scientific and Technological Research Council of Turkey with the project number of 113Z250. We also thank to Ege University for the support of the use of Gaussian 09 W program for theoretical DFT calculations.en_US
dc.identifier.doi10.1016/j.molstruc.2018.07.009
dc.identifier.endpage520en_US
dc.identifier.issn0022-2860
dc.identifier.issn1872-8014
dc.identifier.issn0022-2860en_US
dc.identifier.issn1872-8014en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage512en_US
dc.identifier.urihttps://doi.org/10.1016/j.molstruc.2018.07.009
dc.identifier.urihttps://hdl.handle.net/11454/29635
dc.identifier.volume1173en_US
dc.identifier.wosWOS:000446286200058en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofJournal of Molecular Structureen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCibalackroten_US
dc.subjectOrganic photovoltaicen_US
dc.subjectElectron mobilityen_US
dc.subjectCharge transferen_US
dc.subjectDecay timeen_US
dc.titleBromo-substituted cibalackrot backbone, a versatile donor or acceptor main core for organic optoelectronic devicesen_US
dc.typeArticleen_US

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