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Article: Hybrid light-emitting devices based on phosphorescent platinum(II) complex sensitized CdSe/ZnS quantum dots

TitleHybrid light-emitting devices based on phosphorescent platinum(II) complex sensitized CdSe/ZnS quantum dots
Authors
Cheng, GLu, WChen, YChe, CM
KeywordsCdSe/ZnS quantum dots
CIE coordinates
Emission lifetime
External quantum efficiency
Iridium complex
Issue Date2012
PublisherOptical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/current.cfm?journal=3
Citation
Optics Letters, 2012, v. 37 n. 6, p. 1109-1111 How to Cite?
DOI: http://dx.doi.org/10.1364/OL.37.001109
AbstractWe report on hybrid light-emitting devices based on the emission of phosphorescent sensitized colloidal CdSe/ZnS quantum dots (QDs). Emission lifetime measurements demonstrated that the energy transfer (ET) from square-planar platinum(II) complex [4-CF 3-(NČŇ)PtC = CC 6H-4'-F] (NČHŇ = 1,5-bis(2'-pyridyl)benzene) (Pt-2) to QDs is more efficient than that from octahedral iridium(III) complex bis[(4,6-difluorophenyl)pyridinato-N, C2]-(picolinato)iridium (FIrpic). This different ET efficiency might be attributed to the different spatial structures between Pt-2 and FIrpic. Pure red emission with CIE coordinates of (0.66, 0.33) and maximum external quantum efficiency of 2.08% and white emission with power efficiency of 3.15 lm/W were realized at different concentrations of Pt-2 and QDs, respectively. © 2012 Optical Society of America.
Persistent Identifierhttp://hdl.handle.net/10722/146386
ISSN
0146-9592
2021 Impact Factor: 3.560
2020 SCImago Journal Rankings: 1.524
ISI Accession Number ID
WOS:000302212200042
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorCheng, Gen_HK
dc.contributor.authorLu, Wen_HK
dc.contributor.authorChen, Yen_HK
dc.contributor.authorChe, CMen_HK
dc.date.accessioned2012-04-24T07:50:33Z-
dc.date.available2012-04-24T07:50:33Z-
dc.date.issued2012en_HK
dc.identifier.citationOptics Letters, 2012, v. 37 n. 6, p. 1109-1111en_HK
dc.identifier.issn0146-9592en_HK
dc.identifier.urihttp://hdl.handle.net/10722/146386-
dc.description.abstractWe report on hybrid light-emitting devices based on the emission of phosphorescent sensitized colloidal CdSe/ZnS quantum dots (QDs). Emission lifetime measurements demonstrated that the energy transfer (ET) from square-planar platinum(II) complex [4-CF 3-(NČŇ)PtC = CC 6H-4'-F] (NČHŇ = 1,5-bis(2'-pyridyl)benzene) (Pt-2) to QDs is more efficient than that from octahedral iridium(III) complex bis[(4,6-difluorophenyl)pyridinato-N, C2]-(picolinato)iridium (FIrpic). This different ET efficiency might be attributed to the different spatial structures between Pt-2 and FIrpic. Pure red emission with CIE coordinates of (0.66, 0.33) and maximum external quantum efficiency of 2.08% and white emission with power efficiency of 3.15 lm/W were realized at different concentrations of Pt-2 and QDs, respectively. © 2012 Optical Society of America.en_HK
dc.languageengen_US
dc.publisherOptical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/current.cfm?journal=3en_HK
dc.relation.ispartofOptics Lettersen_HK
dc.rightsOptics Letters. Copyright © Optical Society of America.-
dc.subjectCdSe/ZnS quantum dots-
dc.subjectCIE coordinates-
dc.subjectEmission lifetime-
dc.subjectExternal quantum efficiency-
dc.subjectIridium complex-
dc.titleHybrid light-emitting devices based on phosphorescent platinum(II) complex sensitized CdSe/ZnS quantum dotsen_HK
dc.typeArticleen_HK
dc.identifier.emailChen, Y: yongchen@hku.hken_HK
dc.identifier.emailChe, CM: cmche@hku.hken_HK
dc.identifier.authorityChen, Y=rp00674en_HK
dc.identifier.authorityChe, CM=rp00670en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1364/OL.37.001109en_HK
dc.identifier.pmid22446241-
dc.identifier.scopuseid_2-s2.0-84863346338en_HK
dc.identifier.hkuros199134en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84863346338&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume37en_HK
dc.identifier.issue6en_HK
dc.identifier.spage1109en_HK
dc.identifier.epage1111en_HK
dc.identifier.isiWOS:000302212200042-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridCheng, G=26642879900en_HK
dc.identifier.scopusauthoridLu, W=55277832700en_HK
dc.identifier.scopusauthoridChen, Y=15134748900en_HK
dc.identifier.scopusauthoridChe, CM=7102442791en_HK
dc.identifier.issnl0146-9592-

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