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Article: Luminescent pincer platinum(II) complexes with emission quantum yields up to almost unity: Photophysics, photoreductive c-c bond formation, and materials applications

TitleLuminescent pincer platinum(II) complexes with emission quantum yields up to almost unity: Photophysics, photoreductive c-c bond formation, and materials applications
Authors
Chow, PKCheng, GTong, SMTo, WPKwong, WLLow, KHKwok, CCMa, CChe, CM
KeywordsDensity functional calculations
Organic light-emitting diodes
Platinum
Photochemistry
Luminescence
Issue Date2015
PublisherWiley.
Citation
Angewandte Chemie - International Edition, 2015, v. 54, n. 7, p. 2084-2089 How to Cite?
DOI: http://dx.doi.org/10.1002/anie.201408940
Abstract© 2015 Wiley-VCH Verlag GmbH & Co. KGaA , Weinheim. Luminescent pincer-type PtII complexes supported by C-deprotonated p-extended tridentate R-NN-R' ligands and pentafluorophenylacetylide ligands show emission quantum yields up to almost unity. Femtosecond time-resolved fluorescence measurements and time-dependent DFT calculations together reveal the dependence of excited-state structural distortions of [Pt(R-NN-R′)(CΞC-C6F5)] on the positional isomers of the tridentate ligand. Pt complexes [Pt(R-NN-R′)(CΞC-Ar)] are efficient photocatalysts for visible-light-induced reductive C-C bond formation. The [Pt(R-NN-R′)(C-C-C6F5)] complexes perform strongly as phosphorescent dopants for green- and red-emitting organic light-emitting diodes (OLEDs) with external quantum efficiency values over 22.1%. These complexes are also applied in two-photon cellular imaging when incorporated into mesoporous silica nanoparticles (MSNs).
Persistent Identifierhttp://hdl.handle.net/10722/215141
ISSN
1433-7851
2021 Impact Factor: 16.823
2020 SCImago Journal Rankings: 5.831
ISI Accession Number ID
WOS:000349391000010

 

DC FieldValueLanguage
dc.contributor.authorChow, PK-
dc.contributor.authorCheng, G-
dc.contributor.authorTong, SM-
dc.contributor.authorTo, WP-
dc.contributor.authorKwong, WL-
dc.contributor.authorLow, KH-
dc.contributor.authorKwok, CC-
dc.contributor.authorMa, C-
dc.contributor.authorChe, CM-
dc.date.accessioned2015-08-21T13:15:42Z-
dc.date.available2015-08-21T13:15:42Z-
dc.date.issued2015-
dc.identifier.citationAngewandte Chemie - International Edition, 2015, v. 54, n. 7, p. 2084-2089-
dc.identifier.issn1433-7851-
dc.identifier.urihttp://hdl.handle.net/10722/215141-
dc.description.abstract© 2015 Wiley-VCH Verlag GmbH & Co. KGaA , Weinheim. Luminescent pincer-type PtII complexes supported by C-deprotonated p-extended tridentate R-NN-R' ligands and pentafluorophenylacetylide ligands show emission quantum yields up to almost unity. Femtosecond time-resolved fluorescence measurements and time-dependent DFT calculations together reveal the dependence of excited-state structural distortions of [Pt(R-NN-R′)(CΞC-C6F5)] on the positional isomers of the tridentate ligand. Pt complexes [Pt(R-NN-R′)(CΞC-Ar)] are efficient photocatalysts for visible-light-induced reductive C-C bond formation. The [Pt(R-NN-R′)(C-C-C6F5)] complexes perform strongly as phosphorescent dopants for green- and red-emitting organic light-emitting diodes (OLEDs) with external quantum efficiency values over 22.1%. These complexes are also applied in two-photon cellular imaging when incorporated into mesoporous silica nanoparticles (MSNs).-
dc.languageeng-
dc.publisherWiley.-
dc.relation.ispartofAngewandte Chemie International Edition-
dc.rightsPreprint This is the pre-peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article]. Authors are not required to remove preprints posted prior to acceptance of the submitted version. Postprint This is the accepted version of the following article: [full citation], which has been published in final form at [Link to final article]. In addition, authors may also transmit, print and share copies with colleagues, provided that there is no systematic distribution of the submitted version, e.g. posting on a listserve, network or automated delivery.-
dc.subjectDensity functional calculations-
dc.subjectOrganic light-emitting diodes-
dc.subjectPlatinum-
dc.subjectPhotochemistry-
dc.subjectLuminescence-
dc.titleLuminescent pincer platinum(II) complexes with emission quantum yields up to almost unity: Photophysics, photoreductive c-c bond formation, and materials applications-
dc.typeArticle-
dc.identifier.emailChow, PK: sqolleo@hku.hk-
dc.identifier.emailCheng, G: ggcheng@hku.hk-
dc.identifier.emailTong, SM: tongsm@hku.hk-
dc.identifier.emailTo, WP: kevintwp@hku.hk-
dc.identifier.emailKwong, WL: kwongwl@hku.hk-
dc.identifier.emailLow, KH: khlow@hku.hk-
dc.identifier.emailKwok, CC: cckwok@hku.hk-
dc.identifier.emailMa, C: macs@hku.hk-
dc.identifier.emailChe, CM: cmche@hku.hk-
dc.identifier.authorityTong, SM=rp00790-
dc.identifier.authorityKwok, CC=rp00847-
dc.identifier.authorityMa, C=rp00758-
dc.identifier.authorityChe, CM=rp00670-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/anie.201408940-
dc.identifier.scopuseid_2-s2.0-85027940114-
dc.identifier.hkuros246906-
dc.identifier.volume54-
dc.identifier.spage2084-
dc.identifier.epage2089-
dc.identifier.isiWOS:000349391000010-
dc.publisher.placeWeinheim, Germany-
dc.identifier.issnl1433-7851-

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