Colloidal quantum dot light-emitting diodes employing phosphorescent small organic molecules as efficient exciton harvesters

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buir.contributor.authorDemir, Hilmi Volkan
buir.contributor.orcidDemir, Hilmi Volkan|0000-0003-1793-112X
dc.citation.epage2807en_US
dc.citation.issueNumber16en_US
dc.citation.spage2802en_US
dc.citation.volumeNumber5en_US
dc.contributor.authorMutlugun, E.en_US
dc.contributor.authorGuzelturk, B.en_US
dc.contributor.authorAbiyasa, A. P.en_US
dc.contributor.authorGao, Y.en_US
dc.contributor.authorSun X. W.en_US
dc.contributor.authorDemir, Hilmi Volkanen_US
dc.date.accessioned2016-02-08T10:45:14Z
dc.date.available2016-02-08T10:45:14Z
dc.date.issued2014en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentDepartment of Physicsen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractNonradiative energy transfer (NRET) is an alternative excitation mechanism in colloidal quantum dot (QD) based electroluminescent devices (QLEDs). Here, we develop hybrid highly spectrally pure QLEDs that facilitate energy transfer pumping via NRET from a phosphorescent small organic molecule-codoped charge transport layer to the adjacent QDs. A partially codoped exciton funnelling electron transport layer is proposed and optimized for enhanced QLED performance while exhibiting very high color purity of 99%. These energy transfer pumped hybrid QLEDs demonstrate a 6-fold enhancement factor in the external quantum efficiency over the conventional QLED structure, in which energy transfer pumping is intrinsically weak.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T10:45:14Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2014en
dc.identifier.doi10.1021/jz5012669en_US
dc.identifier.eissn1948-7185
dc.identifier.issn1948-7185
dc.identifier.urihttp://hdl.handle.net/11693/25469
dc.language.isoEnglishen_US
dc.publisherAmerican Chemical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1021/jz5012669en_US
dc.source.titleJournal of Physical Chemistry Lettersen_US
dc.subjectElectroluminescenceen_US
dc.subjectExcitonsen_US
dc.subjectLight emissionen_US
dc.subjectLight emitting diodesen_US
dc.subjectMoleculesen_US
dc.subjectOptoelectronic devicesen_US
dc.subjectPhosphorescenceen_US
dc.subjectSemiconductor quantum dotsen_US
dc.subjectColloidal quantum dotsen_US
dc.subjectHybrid light-emitting diodesen_US
dc.subjectNonradiative energy transferen_US
dc.subjectPhosphorescent moleculesen_US
dc.subjectTriplet stateen_US
dc.subjectEnergy transferen_US
dc.titleColloidal quantum dot light-emitting diodes employing phosphorescent small organic molecules as efficient exciton harvestersen_US
dc.typeArticleen_US

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