Controlling the distribution of oxygen functionalities on GO and utilization of PEDOT:PSS-GO composite as hole injection layer of a solution processed blue OLED

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dc.contributor.authorDiker, Halide
dc.contributor.authorDurmaz, Gamze Belkis
dc.contributor.authorBozkurt, Hakan
dc.contributor.authorYesil, Fatih
dc.contributor.authorVarlikli, Canan
dc.date.accessioned2019-10-27T11:09:13Z
dc.date.available2019-10-27T11:09:13Z
dc.date.issued2017
dc.departmentEge Üniversitesien_US
dc.description.abstractGraphene oxide (GO) was synthesis by Tour method. Particle size distribution effects of raw graphite on the resulting structural, morphological, optical and electrical properties of GO samples and their poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) composites are studied for the graphite particle distributions of <150, 45-75 and 25-45 mu m. It is determined that particle size of raw graphite have an impact on oxidation degree, the chemical nature of oxygen functional groups on GO and it also affects the lateral size of obtained GO. PEDOT:PSS-GO composites are utilized as hole injection layer (HIL) in a solution process blue organic light emitting diode. Presence of GO caused negative differential resistance (NDR) and NDR intensity was decreased with the decrease in lateral size of GO, increase in the graphite particle size and carboxyl% of obtained GO. All PEDOT:PSS-GO composite based devices presented better performance than the bare PEDOT:PSS based reference device. The maximum luminous and external quantum efficiency values of the device that contain HIL of PEDOT:PSS-GO(150) were more than 40% and 50% higher than that of the reference, respectively. Two folds of increase in these performance values were able to be reached with the concentration optimization of GO/150 in PEDOT:PSS. (C) 2017 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipScientific Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [114M508]en_US
dc.description.sponsorshipThis work was supported by the research project funds of Scientific Research Council of Turkey (TUBITAK) (Project #: 114M508).en_US
dc.identifier.doi10.1016/j.cap.2017.02.002
dc.identifier.endpage572en_US
dc.identifier.issn1567-1739
dc.identifier.issn1878-1675
dc.identifier.issn1567-1739en_US
dc.identifier.issn1878-1675en_US
dc.identifier.issue4en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage565en_US
dc.identifier.urihttps://doi.org/10.1016/j.cap.2017.02.002
dc.identifier.urihttps://hdl.handle.net/11454/32264
dc.identifier.volume17en_US
dc.identifier.wosWOS:000397693400023en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofCurrent Applied Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectGraphene oxideen_US
dc.subjectParticle sizeen_US
dc.subjectChemically oxidized grapheneen_US
dc.subjectPEDOT:PSS-GO compositeen_US
dc.subjectOrganic light emitting diodeen_US
dc.titleControlling the distribution of oxygen functionalities on GO and utilization of PEDOT:PSS-GO composite as hole injection layer of a solution processed blue OLEDen_US
dc.typeArticleen_US

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