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Vazart, F., Savel, P., Latouche, C., Barone, V., Camerel, F., Roisnel, T., Fillaut, J. .-L., Akdas-Kilig, H. & Achard, M. (2016) Neutral copper(I) complexes featuring phosphinesulfonate chelates. Dalton Trans. 45 6566–6573. 
Added by: Richard Baschera (2016-05-11 06:59:05)
Type de référence: Article
DOI: 10.1039/c6dt00593d
Numéro d'identification (ISBN etc.): 1477-9226
Clé BibTeX: Vazart2016
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Catégories: INTERNATIONAL, MIOPS
Mots-clés: coordination polymers, crystal-structure, cu-i complexes, cu(i) complexes, delayed fluorescence, diphosphine ligands, iodide clusters, light-emitting-diodes, luminescence thermochromism, metal-free system
Créateurs: Achard, Akdas-Kilig, Barone, Camerel, Fillaut, Latouche, Roisnel, Savel, Vazart
Collection: Dalton Trans.
Consultations : 8/357
Indice de consultation : 1%
Indice de popularité : 0.25%
Résumé     
The reaction of diphenylphosphinobenzenesulfonic acid with copper(I) oxide resulted in the formation of the new neutral dimeric copper(I) complex {Cu-2(DPPBS)(2)center dot(MeOH)(2)}. X-ray diffraction studies revealed that the complex has a dimeric structure and a pyramidal trigonal geometry around the copper atom which contains coordinated methanol molecules at the copper centers. Cleavage of the dimer by reaction with various bipyrimidines enabled the preparation of the corresponding well-defined heterotopic mononuclear [Cu(P{<}{textasciicircum}{>}O)(N{<}{textasciicircum}{>}N)] and dinuclear {(P{<}{textasciicircum}{>}O) Cu(N{<}{textasciicircum}{>}N) Cu(P{<}{textasciicircum}{>}O)} complexes. X-ray crystal structure determination shows these to have distorted tetrahedral geometries. Their absorption and emission properties were investigated experimentally and photophysical data were also confirmed by DFT and TD-DFT calculations. Owing to the methanol molecules, the neutral crystalline dimer {Cu-2(DPPBS)(2)center dot(MeOH)(2)} displays green reversible photoluminescence upon UV irradiation in the solid state with an absolute luminescence quantum yield of 0.51.
Added by: Richard Baschera  
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