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Conference Paper: Effect of anode material and cavity design on the performance of microcavity OLEDs

TitleEffect of anode material and cavity design on the performance of microcavity OLEDs
Authors
KeywordsMicrocavity Oleds
Issue Date2006
Citation
Proceedings Of The 2006 International Conference On Nanoscience And Nanotechnology, Iconn, 2006, p. 399-402 How to Cite?
AbstractWe report on the effect of the replacement of the conventional ITO anode with the semitransparent metallic material on the performance of microcavity OLEDs. We performed comprehensive simulations of the emission from microcavity OLEDs consisting of widely used organic materials, N,N′-di(naphthalene-1- yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and tris (8-hydroxyquinoline) (Alq3) as emitting and electron transporting layer. Silver and LiF/Al were considered as a cathode, while metallic (Au and Ag) anode was used and simulations were performed on devices with both the metallic and conventional ITO anode. The electroluminescence emission spectra, electric field distribution inside the device, carrier density, recombination rate and exciton density were calculated as a function of the position of the emission layer. The results show that the metallic anode enhances light output and that optimum emission from a microcavity OLED is achieved when the position of the recombination region is aligned with the antinode of the standing wave inside the cavity. The microcavity OLED devices with Ag/Ag and Ag/Au mirrors were fabricated and characterized. The experimental results have been compared to the simulations and the influence of the different anode, emission region width and position on the performance of microcavity OLEDs was discussed. © 2006 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/176195
References

 

DC FieldValueLanguage
dc.contributor.authorLu, AWen_US
dc.contributor.authorChan, Jen_US
dc.contributor.authorRakić, ADen_US
dc.contributor.authorNg, AMCen_US
dc.contributor.authorDjurišić, ABen_US
dc.date.accessioned2012-11-26T09:06:47Z-
dc.date.available2012-11-26T09:06:47Z-
dc.date.issued2006en_US
dc.identifier.citationProceedings Of The 2006 International Conference On Nanoscience And Nanotechnology, Iconn, 2006, p. 399-402en_US
dc.identifier.urihttp://hdl.handle.net/10722/176195-
dc.description.abstractWe report on the effect of the replacement of the conventional ITO anode with the semitransparent metallic material on the performance of microcavity OLEDs. We performed comprehensive simulations of the emission from microcavity OLEDs consisting of widely used organic materials, N,N′-di(naphthalene-1- yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and tris (8-hydroxyquinoline) (Alq3) as emitting and electron transporting layer. Silver and LiF/Al were considered as a cathode, while metallic (Au and Ag) anode was used and simulations were performed on devices with both the metallic and conventional ITO anode. The electroluminescence emission spectra, electric field distribution inside the device, carrier density, recombination rate and exciton density were calculated as a function of the position of the emission layer. The results show that the metallic anode enhances light output and that optimum emission from a microcavity OLED is achieved when the position of the recombination region is aligned with the antinode of the standing wave inside the cavity. The microcavity OLED devices with Ag/Ag and Ag/Au mirrors were fabricated and characterized. The experimental results have been compared to the simulations and the influence of the different anode, emission region width and position on the performance of microcavity OLEDs was discussed. © 2006 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofProceedings of the 2006 International Conference on Nanoscience and Nanotechnology, ICONNen_US
dc.subjectMicrocavity Oledsen_US
dc.titleEffect of anode material and cavity design on the performance of microcavity OLEDsen_US
dc.typeConference_Paperen_US
dc.identifier.emailDjurišić, AB: dalek@hku.hken_US
dc.identifier.authorityDjurišić, AB=rp00690en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/ICONN.2006.340637en_US
dc.identifier.scopuseid_2-s2.0-49949106611en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-49949106611&selection=ref&src=s&origin=recordpageen_US
dc.identifier.spage399en_US
dc.identifier.epage402en_US
dc.identifier.scopusauthoridLu, AW=15035693100en_US
dc.identifier.scopusauthoridChan, J=9234340000en_US
dc.identifier.scopusauthoridRakić, AD=35618124100en_US
dc.identifier.scopusauthoridNg, AMC=12140078600en_US
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_US

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