A homoleptic Cu(I) coordination complex bearing N^N-bischelating functionalised biquinoline (BQCOOTEG) ligand and weakly coordinating counterions, BF4 or ClO4 respectively, was designed, synthesized and characterized. Hydrophilic tetraethyleneglycol chains functionalizing the ligands help water solubility of these compounds, that show aggregation in water with increasing concentration. Self-assembly behaviour in water was investigated by accurate 1H NMR and UV–Vis-NIR absorption studies, supported by computational studies, highlighting the influence of counterion-metal distance in tuning NIR absorbance of the complex.

Symmetry, aggregation and counterion role in tuning NIR absorbance of a Cu(I) coordination complex

Candreva, Angela;La Deda, Massimo
;
Szerb, Elisabeta I.
2024-01-01

Abstract

A homoleptic Cu(I) coordination complex bearing N^N-bischelating functionalised biquinoline (BQCOOTEG) ligand and weakly coordinating counterions, BF4 or ClO4 respectively, was designed, synthesized and characterized. Hydrophilic tetraethyleneglycol chains functionalizing the ligands help water solubility of these compounds, that show aggregation in water with increasing concentration. Self-assembly behaviour in water was investigated by accurate 1H NMR and UV–Vis-NIR absorption studies, supported by computational studies, highlighting the influence of counterion-metal distance in tuning NIR absorbance of the complex.
2024
Cu(I) coordination complexes, Biquinoline ligand, Photophysics, Supramolecular aggregation in water, Computational studies
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11770/380851
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