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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, article no. 113510 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
2019 Impact Factor: 3.597
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. 11, article no. 113510-
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.rightsCopyright 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters, 2006, v. 88 n. 11, article no. 113510 and may be found at https://doi.org/10.1063/1.2178409-
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.spagearticle no. 113510-
dc.identifier.epagearticle no. 113510-
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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