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Article: Metal-organic framework composites with luminescent gold(III) complexes. Strongly emissive and long-lived excited states in open air and photo-catalysis

TitleMetal-organic framework composites with luminescent gold(III) complexes. Strongly emissive and long-lived excited states in open air and photo-catalysis
Authors
Issue Date2015
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/publishing/journals/sc/About.asp
Citation
Chemical Science, 2015, v. 6, p. 7105-7111 How to Cite?
AbstractThe encapsulation of luminescent gold(III) complexes by metal–organic frameworks (MOFs) lays the groundwork for new phosphorescent materials with activities that are not readily achieved by the host MOF materials or gold(III) complexes alone. In this work, strong phosphorescence with lifetimes of up to ∼50 μs in open air at room temperature has been achieved by incorporation of cationic cyclometalated gold(III) complexes into MOFs with anionic frameworks to form AuIII@MOFs. The AuIII@MOFs display solid state two-photon-induced phosphorescence. Photo-reduction of methyl viologen to the reduced radical was achieved inside AuIII@MOFs and in the presence of Et3N upon excitation at λ > 370 nm under ambient conditions. These AuIII@MOFs comprise a class of reusable and size-selective heterogeneous photo-catalysts for the aerobic oxidation of secondary amines to imines as well as five other reactions, including oxidative C–H functionalization under aerobic conditions.
Persistent Identifierhttp://hdl.handle.net/10722/231687
ISSN
2015 Impact Factor: 9.144
2015 SCImago Journal Rankings: 4.974

 

DC FieldValueLanguage
dc.contributor.authorSun, C-
dc.contributor.authorTo, WP-
dc.contributor.authorWang, XL-
dc.contributor.authorChan, KT-
dc.contributor.authorSu, Z-
dc.contributor.authorChe, CM-
dc.date.accessioned2016-09-20T05:24:51Z-
dc.date.available2016-09-20T05:24:51Z-
dc.date.issued2015-
dc.identifier.citationChemical Science, 2015, v. 6, p. 7105-7111-
dc.identifier.issn2041-6520-
dc.identifier.urihttp://hdl.handle.net/10722/231687-
dc.description.abstractThe encapsulation of luminescent gold(III) complexes by metal–organic frameworks (MOFs) lays the groundwork for new phosphorescent materials with activities that are not readily achieved by the host MOF materials or gold(III) complexes alone. In this work, strong phosphorescence with lifetimes of up to ∼50 μs in open air at room temperature has been achieved by incorporation of cationic cyclometalated gold(III) complexes into MOFs with anionic frameworks to form AuIII@MOFs. The AuIII@MOFs display solid state two-photon-induced phosphorescence. Photo-reduction of methyl viologen to the reduced radical was achieved inside AuIII@MOFs and in the presence of Et3N upon excitation at λ > 370 nm under ambient conditions. These AuIII@MOFs comprise a class of reusable and size-selective heterogeneous photo-catalysts for the aerobic oxidation of secondary amines to imines as well as five other reactions, including oxidative C–H functionalization under aerobic conditions.-
dc.languageeng-
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/publishing/journals/sc/About.asp-
dc.relation.ispartofChemical Science-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleMetal-organic framework composites with luminescent gold(III) complexes. Strongly emissive and long-lived excited states in open air and photo-catalysis-
dc.typeArticle-
dc.identifier.emailTo, WP: kevintwp@hku.hk-
dc.identifier.emailChan, KT: kaai@hku.hk-
dc.identifier.emailChe, CM: chemhead@hku.hk-
dc.identifier.authorityChe, CM=rp00670-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1039/C5SC02216A-
dc.identifier.hkuros266485-
dc.identifier.volume6-
dc.identifier.spage7105-
dc.identifier.epage7111-
dc.publisher.placeUnited Kingdom-

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