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Article: Highly Luminescent Pincer Gold(III) Aryl Emitters: Thermally Activated Delayed Fluorescence and Solution-Processed OLEDs

TitleHighly Luminescent Pincer Gold(III) Aryl Emitters: Thermally Activated Delayed Fluorescence and Solution-Processed OLEDs
Authors
Keywordspincer ligands
thermally activated delayed fluorescence (TADF)
organic light-emitting devices (OLEDs)
ligand-to-ligand charge transfer
gold
Issue Date2017
Citation
Angewandte Chemie - International Edition, 2017, v. 56, n. 45, p. 14036-14041 How to Cite?
Abstract© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Herein are described the synthesis, photophysical properties and applications of a series of luminescent cyclometalated AuIIIcomplexes having an auxiliary aryl ligand. These complexes show photoluminescence with emission quantum yields of up to 0.79 in solution and 0.84 in thin films (4 wt % in PMMA) at room temperature, both of which are the highest reported values among AuIIIcomplexes. Thermally activated delayed fluorescence (TADF) is the emission origin for some of these complexes. Solution-processed OLEDs made with these complexes showed sky-blue to green electroluminescence with external quantum efficiencies (EQEs) of up to 23.8 %, current efficiencies of up to 70.4 cd A−1, and roll-off of down to 1 %, highlighting the bright prospect of AuIII-TADF emitters in OLEDs.
Persistent Identifierhttp://hdl.handle.net/10722/256831
ISSN
2023 Impact Factor: 16.1
2023 SCImago Journal Rankings: 5.300
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTo, Wai Pong-
dc.contributor.authorZhou, Dongling-
dc.contributor.authorTong, Glenna So Ming-
dc.contributor.authorCheng, Gang-
dc.contributor.authorYang, Chen-
dc.contributor.authorChe, Chi Ming-
dc.date.accessioned2018-07-24T08:58:03Z-
dc.date.available2018-07-24T08:58:03Z-
dc.date.issued2017-
dc.identifier.citationAngewandte Chemie - International Edition, 2017, v. 56, n. 45, p. 14036-14041-
dc.identifier.issn1433-7851-
dc.identifier.urihttp://hdl.handle.net/10722/256831-
dc.description.abstract© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Herein are described the synthesis, photophysical properties and applications of a series of luminescent cyclometalated AuIIIcomplexes having an auxiliary aryl ligand. These complexes show photoluminescence with emission quantum yields of up to 0.79 in solution and 0.84 in thin films (4 wt % in PMMA) at room temperature, both of which are the highest reported values among AuIIIcomplexes. Thermally activated delayed fluorescence (TADF) is the emission origin for some of these complexes. Solution-processed OLEDs made with these complexes showed sky-blue to green electroluminescence with external quantum efficiencies (EQEs) of up to 23.8 %, current efficiencies of up to 70.4 cd A−1, and roll-off of down to 1 %, highlighting the bright prospect of AuIII-TADF emitters in OLEDs.-
dc.languageeng-
dc.relation.ispartofAngewandte Chemie - International Edition-
dc.subjectpincer ligands-
dc.subjectthermally activated delayed fluorescence (TADF)-
dc.subjectorganic light-emitting devices (OLEDs)-
dc.subjectligand-to-ligand charge transfer-
dc.subjectgold-
dc.titleHighly Luminescent Pincer Gold(III) Aryl Emitters: Thermally Activated Delayed Fluorescence and Solution-Processed OLEDs-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/anie.201707193-
dc.identifier.scopuseid_2-s2.0-85030571688-
dc.identifier.hkuros284549-
dc.identifier.volume56-
dc.identifier.issue45-
dc.identifier.spage14036-
dc.identifier.epage14041-
dc.identifier.eissn1521-3773-
dc.identifier.isiWOS:000413896400020-
dc.identifier.issnl1433-7851-

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