Authors: Tzouras, Nikolaos V.
Martynova, Ekaterina A.
Ma, Xinyuan
Scattolin, Thomas
Hupp, Benjamin
Busen, Hendrik
Saab, Marina
Zhang, Ziyun
Falivene, Laura
Pisanò, Gianmarco
Van Hecke, Kristof
Cavallo, Luigi
Cazin, Catherine S. J.
Steffen, Andreas
Nolan, Steven P.
Title: Simple synthetic routes to carbene-M-amido (M=Cu, Ag, Au) complexes for luminescence and photocatalysis applications
Language (ISO): en
Abstract: The development of novel and operationally simple synthetic routes to carbene-metal-amido (CMA) complexes of copper, silver and gold relevant for photonic applications are reported. A mild base and sustainable solvents allow all reactions to be conducted in air and at room temperature, leading to high yields of the targeted compounds even on multigram scales. The effect of various mild bases on the N−H metallation was studied in silico and experimentally, while a mechanochemical, solvent-free synthetic approach was also developed. Our photophysical studies on [M(NHC)(Cbz)] (Cbz=carbazolyl) indicate that the occurrence of fluorescent or phosphorescent states is determined primarily by the metal, providing control over the excited state properties. Consequently, we demonstrate the potential of the new CMAs beyond luminescence applications by employing a selected CMA as a photocatalyst. The exemplified synthetic ease is expected to accelerate the applications of CMAs in photocatalysis and materials chemistry.
Subject Headings: Carbene-metal-amides
Coinage metal-N-heterocyclic carbene complexes
Synthetic methods
Issue Date: 2021-05-26
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Appears in Collections:Lehrstühle für Anorganische Chemie

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