ic501230m_si_003.cif (29.05 kB)
NHC Copper(I) Complexes Bearing Dipyridylamine Ligands: Synthesis, Structural, and Photoluminescent Studies
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posted on 2014-09-02, 00:00 authored by Ronan Marion, Fabien Sguerra, Florent Di Meo, Elodie Sauvageot, Jean-François Lohier, Richard Daniellou, Jean-Luc Renaud, Mathieu Linares, Matthieu Hamel, Sylvain GaillardWe describe the synthesis of new
cationic tricoordinated copper complexes bearing bidentate pyridine-type
ligands and N-heterocyclic carbene as ancillary ligands. These cationic
copper complexes were fully characterized by NMR, electrochemistry,
X-ray analysis, and photophysical studies in different environments.
Density functional theory calculations were also undertaken to rationalize
the assignment of the electronic structure and the photophysical properties.
These tricoordinated cationic copper complexes possess a stabilizing
CH−π interaction leading to high stability in both solid
and liquid states. In addition, these copper complexes, bearing dipyridylamine
ligands having a central nitrogen atom as potential anchoring point,
exhibit very interesting luminescent properties that render them potential
candidates for organic light-emitting diode applications.