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- Publisher Website: 10.1364/OL.37.001109
- Scopus: eid_2-s2.0-84863346338
- PMID: 22446241
- WOS: WOS:000302212200042
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Article: Hybrid light-emitting devices based on phosphorescent platinum(II) complex sensitized CdSe/ZnS quantum dots
Title | Hybrid light-emitting devices based on phosphorescent platinum(II) complex sensitized CdSe/ZnS quantum dots |
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Authors | |
Keywords | CdSe/ZnS quantum dots CIE coordinates Emission lifetime External quantum efficiency Iridium complex |
Issue Date | 2012 |
Publisher | Optical 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? |
Abstract | We 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 Identifier | http://hdl.handle.net/10722/146386 |
ISSN | 2023 Impact Factor: 3.1 2023 SCImago Journal Rankings: 1.040 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Cheng, G | en_HK |
dc.contributor.author | Lu, W | en_HK |
dc.contributor.author | Chen, Y | en_HK |
dc.contributor.author | Che, CM | en_HK |
dc.date.accessioned | 2012-04-24T07:50:33Z | - |
dc.date.available | 2012-04-24T07:50:33Z | - |
dc.date.issued | 2012 | en_HK |
dc.identifier.citation | Optics Letters, 2012, v. 37 n. 6, p. 1109-1111 | en_HK |
dc.identifier.issn | 0146-9592 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/146386 | - |
dc.description.abstract | We 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.language | eng | en_US |
dc.publisher | Optical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/current.cfm?journal=3 | en_HK |
dc.relation.ispartof | Optics Letters | en_HK |
dc.rights | Optics Letters. Copyright © Optical Society of America. | - |
dc.subject | CdSe/ZnS quantum dots | - |
dc.subject | CIE coordinates | - |
dc.subject | Emission lifetime | - |
dc.subject | External quantum efficiency | - |
dc.subject | Iridium complex | - |
dc.title | Hybrid light-emitting devices based on phosphorescent platinum(II) complex sensitized CdSe/ZnS quantum dots | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Chen, Y: yongchen@hku.hk | en_HK |
dc.identifier.email | Che, CM: cmche@hku.hk | en_HK |
dc.identifier.authority | Chen, Y=rp00674 | en_HK |
dc.identifier.authority | Che, CM=rp00670 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1364/OL.37.001109 | en_HK |
dc.identifier.pmid | 22446241 | - |
dc.identifier.scopus | eid_2-s2.0-84863346338 | en_HK |
dc.identifier.hkuros | 199134 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-84863346338&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 37 | en_HK |
dc.identifier.issue | 6 | en_HK |
dc.identifier.spage | 1109 | en_HK |
dc.identifier.epage | 1111 | en_HK |
dc.identifier.isi | WOS:000302212200042 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Cheng, G=26642879900 | en_HK |
dc.identifier.scopusauthorid | Lu, W=55277832700 | en_HK |
dc.identifier.scopusauthorid | Chen, Y=15134748900 | en_HK |
dc.identifier.scopusauthorid | Che, CM=7102442791 | en_HK |
dc.identifier.issnl | 0146-9592 | - |