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- Publisher Website: 10.1021/jacs.9b06308
- Scopus: eid_2-s2.0-85071353251
- PMID: 31310721
- WOS: WOS:000481563500055
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Article: Ligand Mediated Luminescence Enhancement in Cyclometalated Rhodium(III) Complexes and Their Applications in Efficient Organic Light-Emitting Devices
Title | Ligand Mediated Luminescence Enhancement in Cyclometalated Rhodium(III) Complexes and Their Applications in Efficient Organic Light-Emitting Devices |
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Authors | |
Issue Date | 2019 |
Publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.html |
Citation | Journal of the American Chemical Society, 2019, v. 141 n. 32, p. 12863-12871 How to Cite? |
Abstract | A series of luminescent cyclometalated rhodium(III) complexes have been designed and prepared. The improved luminescence property is realized by the judicious choice of a strong σ-donor cyclometalating ligand with a lower-lying intraligand (IL) state that would raise the d–d excited state and introduction of a lower-lying emissive IL excited state. These complexes exhibit high thermal stability and considerable luminescence quantum yields as high as up to 0.65 in thin film, offering themselves as promising light-emitting materials in OLEDs. Respectable external quantum efficiencies of up to 12.2% and operational half-lifetimes of over 3000 h at 100 cd m–2 have been achieved. This work demonstrates a breakthrough as the first example of an efficient rhodium(III) emitter for OLED application and opens up a new avenue for diversifying the development of OLED materials with rhodium metal being utilized as phosphors. |
Persistent Identifier | http://hdl.handle.net/10722/285420 |
ISSN | 2023 Impact Factor: 14.4 2023 SCImago Journal Rankings: 5.489 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Wei, F | - |
dc.contributor.author | Lai, SL | - |
dc.contributor.author | Zhao, S | - |
dc.contributor.author | Ng, M | - |
dc.contributor.author | Chan, MY | - |
dc.contributor.author | Yam, VWW | - |
dc.contributor.author | Wong, KMC | - |
dc.date.accessioned | 2020-08-18T03:53:16Z | - |
dc.date.available | 2020-08-18T03:53:16Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Journal of the American Chemical Society, 2019, v. 141 n. 32, p. 12863-12871 | - |
dc.identifier.issn | 0002-7863 | - |
dc.identifier.uri | http://hdl.handle.net/10722/285420 | - |
dc.description.abstract | A series of luminescent cyclometalated rhodium(III) complexes have been designed and prepared. The improved luminescence property is realized by the judicious choice of a strong σ-donor cyclometalating ligand with a lower-lying intraligand (IL) state that would raise the d–d excited state and introduction of a lower-lying emissive IL excited state. These complexes exhibit high thermal stability and considerable luminescence quantum yields as high as up to 0.65 in thin film, offering themselves as promising light-emitting materials in OLEDs. Respectable external quantum efficiencies of up to 12.2% and operational half-lifetimes of over 3000 h at 100 cd m–2 have been achieved. This work demonstrates a breakthrough as the first example of an efficient rhodium(III) emitter for OLED application and opens up a new avenue for diversifying the development of OLED materials with rhodium metal being utilized as phosphors. | - |
dc.language | eng | - |
dc.publisher | American Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.html | - |
dc.relation.ispartof | Journal of the American Chemical Society | - |
dc.title | Ligand Mediated Luminescence Enhancement in Cyclometalated Rhodium(III) Complexes and Their Applications in Efficient Organic Light-Emitting Devices | - |
dc.type | Article | - |
dc.identifier.email | Lai, SL: slllai@hku.hk | - |
dc.identifier.email | Ng, M: mkyng@hku.hk | - |
dc.identifier.email | Chan, MY: chanmym@hku.hk | - |
dc.identifier.email | Yam, VWW: wwyam@hku.hk | - |
dc.identifier.email | Wong, KMC: wongmc@hku.hk | - |
dc.identifier.authority | Chan, MY=rp00666 | - |
dc.identifier.authority | Yam, VWW=rp00822 | - |
dc.identifier.authority | Wong, KMC=rp00809 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1021/jacs.9b06308 | - |
dc.identifier.pmid | 31310721 | - |
dc.identifier.scopus | eid_2-s2.0-85071353251 | - |
dc.identifier.hkuros | 313028 | - |
dc.identifier.volume | 141 | - |
dc.identifier.issue | 32 | - |
dc.identifier.spage | 12863 | - |
dc.identifier.epage | 12871 | - |
dc.identifier.isi | WOS:000481563500055 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0002-7863 | - |