Functionalized organic semiconductor molecules to enhance charge carrier injection in electroluminescent cell

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dc.contributor.authorYalcin, Eyyup
dc.contributor.authorKara, Duygu Akin
dc.contributor.authorKarakaya, Caner
dc.contributor.authorYigit, Mesude Zeliha
dc.contributor.authorHavare, Ali Kemal
dc.contributor.authorCan, Mustafa
dc.contributor.authorTozlu, Cem
dc.date.accessioned2020-03-26T19:41:48Z
dc.date.available2020-03-26T19:41:48Z
dc.date.issued2017
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractOrganic semiconductor (OSC) materials as a charge carrier interface play an important role to improve the device performance of organic electroluminescent cells. In this study, 4,4"-bis(diphenyl amino)-1,1':3',1"-terphenyl-5'-carboxylic acid (TPA) and 4,4"-di-9H-carbazol-9-yl-1,1':3',1"-terphenyl-5'-carboxylic acid (CAR) has been designed and synthesized to modify indium tin oxide (ITO) layer as interface. Bare ITO and PEDOT:PSS coated on ITO was used as reference anode electrodes for comparison. Furthermore, PEDOT:PSS coated over CAR/ITO and TPA/ITO to observe stability of OSC molecules and to completely cover the ITO surface. Electrical, optical and surface characterizations were performed for each device. Almost all modified devices showed around 36% decrease at the turn on voltage with respect to bare ITO. The current density of bare ITO, ITO/CAR and ITO/TPA were measured as 288, 1525 and 1869 A/m(2), respectively. By increasing current density, luminance of modified devices showed much better performance with respect to unmodified devices. (C) 2017 Elsevier B.V. All rights reserved.en_US
dc.identifier.doi10.1016/j.optmat.2017.04.038en_US
dc.identifier.endpage290en_US
dc.identifier.issn0925-3467en_US
dc.identifier.issn1873-1252en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage283en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.optmat.2017.04.038
dc.identifier.urihttps://hdl.handle.net/20.500.12395/35146
dc.identifier.volume69en_US
dc.identifier.wosWOS:000404305200042en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherELSEVIER SCIENCE BVen_US
dc.relation.ispartofOPTICAL MATERIALSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectOrganic semiconductorsen_US
dc.subjectFluorescent and luminescent materialsen_US
dc.subjectLight-emitting diodesen_US
dc.titleFunctionalized organic semiconductor molecules to enhance charge carrier injection in electroluminescent cellen_US
dc.typeArticleen_US

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