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Article: Blue organic LEDs with improved power efficiency

TitleBlue organic LEDs with improved power efficiency
Authors
KeywordsBlue light emission
Doping hole injection layer
Double emission layer
Organic LEDs
Power efficiency
Issue Date2010
PublisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=16
Citation
Ieee Transactions On Electron Devices, 2010, v. 57 n. 1, p. 125-128 How to Cite?
AbstractHigh-power-efficiency blue fluorescent organic lightemitting devices have been demonstrated by simultaneously doping two hole-conduction layers of 4, 4′, 4″-Tris(N-3-methylphenyl-N-phenyl-amino) triphenylamine (m-MTDATA), and N, N′-diphenyl-N, N′-bis(1-naphthyl)-(1, 1′-biphenyl)-4, 4′-diamine (NPB) with 2,3,5,6-tetrafluoro-7,7,8,8- tetracyanoquinodimethane (F4-TCNQ) as well as doping two ambipolar emission layers with p-bis(p-N, N-diphenyl-aminostyryl) benzene (DSA-Ph). By doping the two host layers with DSA-Ph to form the double emission layer, the current efficiency is enhanced due to the extended emission zone. We further increase the performance by introducing the doping F4-TCNQ into the hole-injection and transporting layers to reduce the transport barrier at the m-MTDATA:F4TCNQ/NPB and to enhance the hole injection and conduction. The luminance and power efficiencies reach 8.9 cd/A and 4.5 lm/W, respectively. © 2009 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/73773
ISSN
2014 Impact Factor: 2.472
2014 SCImago Journal Rankings: 1.322
ISI Accession Number ID
Funding AgencyGrant Number
Research Grants CouncilHKU712108
Funding Information:

This work was supported by the Research Grants Council of the HK Special Administrative Region, China, under Grant HKU712108. The review of this paper was arranged by Editor M. J. Kumar.

References

 

DC FieldValueLanguage
dc.contributor.authorZhang, HMen_HK
dc.contributor.authorChoy, WCHen_HK
dc.contributor.authorLi, Ken_HK
dc.date.accessioned2010-09-06T06:54:37Z-
dc.date.available2010-09-06T06:54:37Z-
dc.date.issued2010en_HK
dc.identifier.citationIeee Transactions On Electron Devices, 2010, v. 57 n. 1, p. 125-128en_HK
dc.identifier.issn0018-9383en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73773-
dc.description.abstractHigh-power-efficiency blue fluorescent organic lightemitting devices have been demonstrated by simultaneously doping two hole-conduction layers of 4, 4′, 4″-Tris(N-3-methylphenyl-N-phenyl-amino) triphenylamine (m-MTDATA), and N, N′-diphenyl-N, N′-bis(1-naphthyl)-(1, 1′-biphenyl)-4, 4′-diamine (NPB) with 2,3,5,6-tetrafluoro-7,7,8,8- tetracyanoquinodimethane (F4-TCNQ) as well as doping two ambipolar emission layers with p-bis(p-N, N-diphenyl-aminostyryl) benzene (DSA-Ph). By doping the two host layers with DSA-Ph to form the double emission layer, the current efficiency is enhanced due to the extended emission zone. We further increase the performance by introducing the doping F4-TCNQ into the hole-injection and transporting layers to reduce the transport barrier at the m-MTDATA:F4TCNQ/NPB and to enhance the hole injection and conduction. The luminance and power efficiencies reach 8.9 cd/A and 4.5 lm/W, respectively. © 2009 IEEE.en_HK
dc.languageengen_HK
dc.publisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=16en_HK
dc.relation.ispartofIEEE Transactions on Electron Devicesen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsIEEE Transactions on Electron Devices. Copyright © IEEE.-
dc.rights©2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.subjectBlue light emissionen_HK
dc.subjectDoping hole injection layeren_HK
dc.subjectDouble emission layeren_HK
dc.subjectOrganic LEDsen_HK
dc.subjectPower efficiencyen_HK
dc.titleBlue organic LEDs with improved power efficiencyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0018-9383&volume=57&issue=1&spage=125&epage=128&date=2010&atitle=Blue+organic+LEDs+with+improved+power+efficiency-
dc.identifier.emailChoy, WCH:chchoy@eee.hku.hken_HK
dc.identifier.authorityChoy, WCH=rp00218en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/TED.2009.2033641en_HK
dc.identifier.scopuseid_2-s2.0-73349088419en_HK
dc.identifier.hkuros169618en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-73349088419&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume57en_HK
dc.identifier.issue1en_HK
dc.identifier.spage125en_HK
dc.identifier.epage128en_HK
dc.identifier.isiWOS:000273088600012-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZhang, HM=7409194762en_HK
dc.identifier.scopusauthoridChoy, WCH=7006202371en_HK
dc.identifier.scopusauthoridLi, K=7404989250en_HK

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