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Article: Synthesis of Luminescent Phosphine-Containing Rigid-Rod Dinuclear Alkynylgold(I) Complexes and Their X-Ray Structural, Photophysical, Self-Assembly and Electroluminescence Studies

TitleSynthesis of Luminescent Phosphine-Containing Rigid-Rod Dinuclear Alkynylgold(I) Complexes and Their X-Ray Structural, Photophysical, Self-Assembly and Electroluminescence Studies
Authors
KeywordsDinuclear gold(I) complexes
Rigid-rod
Self-assembly
Luminescence
Electroluminescence
Issue Date2021
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/poly
Citation
Polyhedron, 2021, v. 207, p. article no. 115356 How to Cite?
AbstractA series of rigid-rod dinuclear alkynylgold(I) complexes bearing triethylene glycol monomethyl ether or dibutoxy-substituted oligo(p-phenylene ethynylene)s moieties as the backbone, and phosphine ligands that are charge-neutral or bear a positive or negative charge, has been designed and synthesized. The alkynylgold(I) complexes with charge-neutral phosphines are found to show polymeric zig-zag chain structure with short gold‧‧‧gold distances in their X-ray crystal structures, while those with negatively charged phosphine ligands demonstrate spherical aggregates in dimethyl sulfoxide (DMSO)-water dispersions. The aggregation behaviour of the complex with positively charged phosphine ligand is found to follow an isodesmic mechanism upon increasing the water content in DMSO. Representative complexes have been applied as the emitting material in solution-processed organic light-emitting devices, exhibiting sky-blue emission with emission maxima at 432 nm. This work has provided further insights into the aggregation behaviour of this class of alkynylgold(I) complexes, as well as the understanding of their molecular packing and alignment for the future design of structurally-related rigid-rod organometallic materials.
Persistent Identifierhttp://hdl.handle.net/10722/304947
ISSN
2020 Impact Factor: 3.052
2020 SCImago Journal Rankings: 0.496

 

DC FieldValueLanguage
dc.contributor.authorLi, LK-
dc.contributor.authorLeung, SYL-
dc.contributor.authorChu, A-
dc.contributor.authorYim, KC-
dc.contributor.authorCHEUNG, WL-
dc.contributor.authorChan, MY-
dc.contributor.authorYam, VWW-
dc.date.accessioned2021-10-05T02:37:31Z-
dc.date.available2021-10-05T02:37:31Z-
dc.date.issued2021-
dc.identifier.citationPolyhedron, 2021, v. 207, p. article no. 115356-
dc.identifier.issn0277-5387-
dc.identifier.urihttp://hdl.handle.net/10722/304947-
dc.description.abstractA series of rigid-rod dinuclear alkynylgold(I) complexes bearing triethylene glycol monomethyl ether or dibutoxy-substituted oligo(p-phenylene ethynylene)s moieties as the backbone, and phosphine ligands that are charge-neutral or bear a positive or negative charge, has been designed and synthesized. The alkynylgold(I) complexes with charge-neutral phosphines are found to show polymeric zig-zag chain structure with short gold‧‧‧gold distances in their X-ray crystal structures, while those with negatively charged phosphine ligands demonstrate spherical aggregates in dimethyl sulfoxide (DMSO)-water dispersions. The aggregation behaviour of the complex with positively charged phosphine ligand is found to follow an isodesmic mechanism upon increasing the water content in DMSO. Representative complexes have been applied as the emitting material in solution-processed organic light-emitting devices, exhibiting sky-blue emission with emission maxima at 432 nm. This work has provided further insights into the aggregation behaviour of this class of alkynylgold(I) complexes, as well as the understanding of their molecular packing and alignment for the future design of structurally-related rigid-rod organometallic materials.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/poly-
dc.relation.ispartofPolyhedron-
dc.subjectDinuclear gold(I) complexes-
dc.subjectRigid-rod-
dc.subjectSelf-assembly-
dc.subjectLuminescence-
dc.subjectElectroluminescence-
dc.titleSynthesis of Luminescent Phosphine-Containing Rigid-Rod Dinuclear Alkynylgold(I) Complexes and Their X-Ray Structural, Photophysical, Self-Assembly and Electroluminescence Studies-
dc.typeArticle-
dc.identifier.emailChan, MY: chanmym@hku.hk-
dc.identifier.emailYam, VWW: deanmail@hku.hk-
dc.identifier.authorityChan, MY=rp00666-
dc.identifier.authorityYam, VWW=rp00822-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.poly.2021.115356-
dc.identifier.scopuseid_2-s2.0-85111178677-
dc.identifier.hkuros326366-
dc.identifier.volume207-
dc.identifier.spagearticle no. 115356-
dc.identifier.epagearticle no. 115356-
dc.publisher.placeNetherlands-

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