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Assemblages Polymétalliques Luminescents de L'ion Cu(I)

Abstract : This manuscript describes in detail the reactivity of the pre-organized precursor A 1 , whose molecular formula is [Cu 2 (μ 2 -dppm) 2 (CN) 2 ](PF 6 ) 2 , based on Cu(I) ions with different types of ligands in order to synthesize new luminescent polymetallic assemblies. Its reactivity makes full use of the concepts of supramolecular chemistry guided by coordination chemistry (CDS), which makes it possible to obtain a large intricate number and varied polymetallic supramolecular assemblies of the Cu(I) ion. They are obtained from simple syntheses and with a wide variety of structural characteristics. Based on this result, we are interested to see how it is possible to extend the original adaptive coordination driven supramolecular approach developed in our group to the use of precursors bearing cyano fragments, such as K 2 M(CN) 4 (M= Ni, Pd, Pt), K 2 Pt(CN) 6 , K 4 M(CN) 8 (M= Mo and W) and also anionic inorganic precursors that do not have a metal centre, such as KC(CN) 3 , NaN(CN) 2 and NaN 3 .In the last chapter, the A 1 derivative has been reacted with pyridine- terminated polytopic ligands, which has made it possible to characterize novel coordination polymers. The new derivatives are characterized using different techniques such as multinuclear NMR, single-crystal and powder X-ray diffraction studies, UV-Vis and IR spectroscopies. In addition, the photophysical properties (emission spectrum, measurements of quantum yields and life times of the excited states) of the emissive materials obtained have been studied in solution and in the solid state at room temperature and at low temperature.
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Submitted on : Friday, July 17, 2020 - 11:56:22 AM
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  • HAL Id : tel-02901520, version 1

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Ali Moustafa Khalil. Assemblages Polymétalliques Luminescents de L'ion Cu(I). Alimentation et Nutrition. INSA de Rennes, 2019. Français. ⟨NNT : 2019ISAR0018⟩. ⟨tel-02901520⟩

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