Abstract
Luminescent polynuclear copper(I) alkynyl complexes, including two trinuclear bicapped complexes, [Cu3(μ-dppm)3(μ3-η1-C≡CC6H4nC4H9)2]BF4 (1) and [Cu3(μ-dppm)3(μ3-η1-C≡CC6H4C≡CC6H5)2]BF4 (2), as well as two dinuclear complexes, [Cu2(PPh2Me)4(μ2-η1-C≡CC6H4nC4H9)2] (3) and [Cu2(PPh2Me)4(μ2-η1-C≡CC6H4C≡CC6H5)2] (4), have been successfully synthesized and characterized. The carbazole moiety has also been incorporated into the alkynyl skeleton to prepare the trinuclear bicapped complex, [Cu3(μ-dppm)3(μ3-η1-C≡CC6H4-Cz)2]BF4 (Cz = carbazole) (5). The crystal structure of 3 has also been determined. The complexes exhibit high-energy intraligand (IL) π → π* absorption bands typical of the corresponding phosphine and alkynyl ligands. The complexes show intense luminescence originated from a 3LMCT [RC≡C− → Cun] state (n = 2, 3), with mixing of a triplet metal cluster-centered ds/dp state.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
