Improvement of intramolecular charge transfer within a donor-acceptor blend by doping novel synthesized benzothiadiazole small molecules in solid state

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dc.contributor.authorDincalp, Haluk
dc.contributor.authorMurat, Gozde
dc.contributor.authorIcli, Siddik
dc.date.accessioned2019-10-27T22:14:15Z
dc.date.available2019-10-27T22:14:15Z
dc.date.issued2014
dc.departmentEge Üniversitesien_US
dc.description.abstractThree electron-deficient small molecules based on 2,1,3-benzothiadiazole (BTD) units namely, 4,7-bis (3-methoxyphenyl)-2,1,3-benzothiadiazole (BT1), (3-{7-[3-(dimethylamino)phenyl]-2,1,3-benzothiadiazole-4-yl}phenyl)dimethylamine (BT2) and 3,3'-(2,1,3-benzothiadiazole-4,7-dyl)dianiline (BT3) were synthesized and their photophysical properties were investigated systematically to understand their potential usage in ternary organic solar cells (OSCs) as additive material to enhance the cell efficiency. All these molecules show broad absorption bands in 350-750 nm on glass substrate and their optical band gaps were calculated to be around 2.50-2.80 eV. BTD fluorescence dynamics were measured in polymer:BT1:fullerene blends with varying emission wavelengths of active layer. Fluorescence emission and time resolved measurements indicated photoinduced energy shift from BT1 dye to fullerene and also from polymer to BT1 dye upon excitation of the active layer. (C) 2014 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipResearch Council of Celal BayarCelal Bayar University [2010-050]en_US
dc.description.sponsorshipFinancial support for this work was provided by the Research Council of Celal Bayar with the project number of 2010-050.en_US
dc.identifier.doi10.1016/j.optmat.2014.04.019
dc.identifier.endpage1533en_US
dc.identifier.issn0925-3467
dc.identifier.issn1873-1252
dc.identifier.issn0925-3467en_US
dc.identifier.issn1873-1252en_US
dc.identifier.issue9en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage1525en_US
dc.identifier.urihttps://doi.org/10.1016/j.optmat.2014.04.019
dc.identifier.urihttps://hdl.handle.net/11454/49972
dc.identifier.volume36en_US
dc.identifier.wosWOS:000337873000012en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofOptical Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBenzothiadiazoleen_US
dc.subjectOrganic photovoltaicen_US
dc.subjectTime resolved emission spectraen_US
dc.subjectSolid state emissionen_US
dc.subjectCharge-separationen_US
dc.titleImprovement of intramolecular charge transfer within a donor-acceptor blend by doping novel synthesized benzothiadiazole small molecules in solid stateen_US
dc.typeArticleen_US

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