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Article: Organic light-emitting diodes based on a cohost electron transporting composite

TitleOrganic light-emitting diodes based on a cohost electron transporting composite
Authors
KeywordsPhysics engineering
Issue Date2006
PublisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/
Citation
Applied Physics Letters, 2006, v. 88 n. 11 How to Cite?
AbstractThe efficiency of green organic electroluminescent devices have been improved by cohosting the electron dominant complex, 4,7-diphenyl-1,10- phenanthroline into the traditional electron transporting layer of tris (8-hydroxyquinoline) aluminum. In this cohost strategy, we demonstrate that the luminous efficiency is enhanced by >20% while the driving voltage can be reduced by ∼30% in a uniformly mixed composition as compared to the traditional device configuration. The corresponding device lifetime under atmospheric condition is extended by a factor of ∼1.8, attributed to the reduction of the accumulated positive charges near the electron-hole recombination regime. Results indicate that the knowledge of bulk conductivity engineering of organic n-type transporters is essential in enhancing organic light-emitting devices. © 2006 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/44834
ISSN
2015 Impact Factor: 3.142
2015 SCImago Journal Rankings: 1.105
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFong Wallace, HHen_HK
dc.contributor.authorChoy, CHen_HK
dc.contributor.authorHui, KNen_HK
dc.contributor.authorLiang, YJen_HK
dc.date.accessioned2007-10-30T06:11:14Z-
dc.date.available2007-10-30T06:11:14Z-
dc.date.issued2006en_HK
dc.identifier.citationApplied Physics Letters, 2006, v. 88 n. 11en_HK
dc.identifier.issn0003-6951en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44834-
dc.description.abstractThe efficiency of green organic electroluminescent devices have been improved by cohosting the electron dominant complex, 4,7-diphenyl-1,10- phenanthroline into the traditional electron transporting layer of tris (8-hydroxyquinoline) aluminum. In this cohost strategy, we demonstrate that the luminous efficiency is enhanced by >20% while the driving voltage can be reduced by ∼30% in a uniformly mixed composition as compared to the traditional device configuration. The corresponding device lifetime under atmospheric condition is extended by a factor of ∼1.8, attributed to the reduction of the accumulated positive charges near the electron-hole recombination regime. Results indicate that the knowledge of bulk conductivity engineering of organic n-type transporters is essential in enhancing organic light-emitting devices. © 2006 American Institute of Physics.en_HK
dc.format.extent76920 bytes-
dc.format.extent2335 bytes-
dc.format.extent2401 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/en_HK
dc.relation.ispartofApplied Physics Lettersen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPhysics engineeringen_HK
dc.titleOrganic light-emitting diodes based on a cohost electron transporting compositeen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0003-6951&volume=88&issue=11&spage=113510:1&epage=3&date=2006&atitle=Organic+light-emitting+diodes+based+on+a+co-host+electron+transporting+compositeen_HK
dc.identifier.emailChoy, CH:chchoy@eee.hku.hken_HK
dc.identifier.authorityChoy, CH=rp00218en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1063/1.2178409en_HK
dc.identifier.scopuseid_2-s2.0-33645150817en_HK
dc.identifier.hkuros122555-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33645150817&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume88en_HK
dc.identifier.issue11en_HK
dc.identifier.isiWOS:000236062700099-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridFong Wallace, HH=12790128600en_HK
dc.identifier.scopusauthoridChoy, CH=7006202371en_HK
dc.identifier.scopusauthoridHui, KN=12139840100en_HK
dc.identifier.scopusauthoridLiang, YJ=34969235300en_HK

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