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Enhancing the emission directionality of organic light-emitting diodes by using photonic microstructures

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dc.contributor.authorZhang, Shuyu
dc.contributor.authorTurnbull, Graham A.
dc.contributor.authorSamuel, Ifor David William
dc.date.accessioned2014-08-25T12:01:02Z
dc.date.available2014-08-25T12:01:02Z
dc.date.issued2013-11-21
dc.identifier122161529
dc.identifierf77cde05-13fa-4184-ae34-5d52dab9b4d1
dc.identifier84888399594
dc.identifier.citationZhang , S , Turnbull , G A & Samuel , I D W 2013 , ' Enhancing the emission directionality of organic light-emitting diodes by using photonic microstructures ' , Applied Physics Letters , vol. 103 , 213302 . https://doi.org/10.1063/1.4829759en
dc.identifier.issn0003-6951
dc.identifier.otherORCID: /0000-0002-2132-7091/work/31037461
dc.identifier.urihttps://hdl.handle.net/10023/5221
dc.descriptionS. Zhang, G. A. Turnbull, and I. D. W. Samuel are grateful to the Scottish Universities Physics Alliance (SUPA) and the Engineering and Physical Sciences Research Council (EPSRC) for financial support.en
dc.description.abstractWe report microstructured organic light-emitting diodes (OLEDs) with directional emission based on efficient solution-processable europium-OLEDs patterned by solvent assisted microcontact molding. The angle dependence of the light emission is characterized for OLEDs with square-array photonic crystals with periods between 275 nm and 335 nm. The microstructured devices have emission patterns strongly modified from the Lambertian emission of planar OLEDs and can approximately double the emitted power in a desired angle range in both s- and p-polarizations. The modified emission is attributed to light diffracted out of the waveguide modes of the OLEDs.
dc.format.extent5
dc.format.extent1501261
dc.language.isoeng
dc.relation.ispartofApplied Physics Lettersen
dc.rights© 2013. AIP Publishing LLC. This article was published in Applied Physics Letters on 18 November 2013, available online: http://scitation.aip.org/content/aip/journal/apl/103/21/10.1063/1.4829759en
dc.subjectQC Physicsen
dc.subject.lccQCen
dc.titleEnhancing the emission directionality of organic light-emitting diodes by using photonic microstructuresen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews.Condensed Matter Physicsen
dc.identifier.doi10.1063/1.4829759
dc.description.statusPeer revieweden


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