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Conference Paper: High-efficiency electrophosphorescent organic light-emitting devices based on Schiff base platinum(II) complexes

TitleHigh-efficiency electrophosphorescent organic light-emitting devices based on Schiff base platinum(II) complexes
Authors
KeywordsElectrophosphorescence
Organic light-emitting devices(OLEDs)
Phosphorescence
Platinum(II) schiff base complex
White
Yellow
Issue Date2004
PublisherSPIE - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xml
Citation
Proceedings of SPIE - The International Society For Optical Engineering, 2004, v. 5519, p. 296-303 How to Cite?
AbstractWe demonstrate very high-efficiency yellow electrophosphorescence organic light-emitting devices (OLEDs) employing platinum(II) tetradentate Schiff base complexes doping a host of 4,4'-N,N'-dicarbazole-biphenyl (CBP). The OLEDs based on Pt(II) 2 N,N'-bis(salicyli-dene)-1,1,2,2-tetramethylethylenediamine (PtSaltment) give a yellow emission with a peak maximum at 550 nm and a shoulder at 590 nm. The maximum external quantum efficiency (ηext), luminous efficiency (ηL), power efficiency (ηP), turn-on voltage, and brightness of the 4.0 wt% PtSaltment-doped OLED are 11%, 31 cd/A, 14 lm/W, 2.8 V, and 23 000 cd/m2, respectively. Even at a brightness of 10 000 cd/m2, ηext, ηL, and ηP of the OLEDs are 4.1%, 13 cd/A, and 4.0 lm/W, respectively. We attribute the high performance of PtSaltment to its tetramethylethylene group which suppresses the self-quenching behavior.
Persistent Identifierhttp://hdl.handle.net/10722/158382
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorXiang, HFen_HK
dc.contributor.authorChan, SCen_HK
dc.contributor.authorChe, CMen_HK
dc.contributor.authorLai, PTen_HK
dc.contributor.authorChui, PCen_HK
dc.date.accessioned2012-08-08T08:59:21Z-
dc.date.available2012-08-08T08:59:21Z-
dc.date.issued2004en_HK
dc.identifier.citationProceedings of SPIE - The International Society For Optical Engineering, 2004, v. 5519, p. 296-303en_US
dc.identifier.issn0277-786Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/158382-
dc.description.abstractWe demonstrate very high-efficiency yellow electrophosphorescence organic light-emitting devices (OLEDs) employing platinum(II) tetradentate Schiff base complexes doping a host of 4,4'-N,N'-dicarbazole-biphenyl (CBP). The OLEDs based on Pt(II) 2 N,N'-bis(salicyli-dene)-1,1,2,2-tetramethylethylenediamine (PtSaltment) give a yellow emission with a peak maximum at 550 nm and a shoulder at 590 nm. The maximum external quantum efficiency (ηext), luminous efficiency (ηL), power efficiency (ηP), turn-on voltage, and brightness of the 4.0 wt% PtSaltment-doped OLED are 11%, 31 cd/A, 14 lm/W, 2.8 V, and 23 000 cd/m2, respectively. Even at a brightness of 10 000 cd/m2, ηext, ηL, and ηP of the OLEDs are 4.1%, 13 cd/A, and 4.0 lm/W, respectively. We attribute the high performance of PtSaltment to its tetramethylethylene group which suppresses the self-quenching behavior.en_HK
dc.languageengen_US
dc.publisherSPIE - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xmlen_HK
dc.relation.ispartofProceedings of SPIE - The International Society for Optical Engineeringen_HK
dc.subjectElectrophosphorescenceen_HK
dc.subjectOrganic light-emitting devices(OLEDs)en_HK
dc.subjectPhosphorescenceen_HK
dc.subjectPlatinum(II) schiff base complexen_HK
dc.subjectWhiteen_HK
dc.subjectYellowen_HK
dc.titleHigh-efficiency electrophosphorescent organic light-emitting devices based on Schiff base platinum(II) complexesen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailXiang, HF:hfxiang@eee.hku.hken_HK
dc.identifier.emailChe, CM:cmche@hku.hken_HK
dc.identifier.emailLai, PT:laip@eee.hku.hken_HK
dc.identifier.emailChui, PC:pcchui@eee.hku.hken_HK
dc.identifier.authorityXiang, HF=rp00196en_HK
dc.identifier.authorityChe, CM=rp00670en_HK
dc.identifier.authorityLai, PT=rp00130en_HK
dc.identifier.authorityChui, PC=rp00114en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1117/12.565320en_HK
dc.identifier.scopuseid_2-s2.0-13444261214en_HK
dc.identifier.hkuros109600-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-13444261214&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume5519en_HK
dc.identifier.spage296en_HK
dc.identifier.epage303en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridXiang, HF=23065758900en_HK
dc.identifier.scopusauthoridChan, SC=7404256345en_HK
dc.identifier.scopusauthoridChe, CM=7102442791en_HK
dc.identifier.scopusauthoridLai, PT=7202946460en_HK
dc.identifier.scopusauthoridChui, PC=13309913400en_HK
dc.customcontrol.immutablesml 151016 - merged-

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