Palladium(0) NHC complexes: a new avenue to highly efficient phosphorescence

We report the first examples of highly luminescent di-coordinated Pd(0) complexes. Five complexes of the form [Pd(L)(L′)] were synthesized, where L = IPr, SIPr or IPr* NHC ligands and L′ = PCy(3), or IPr and SIPr NHC ligands. The photophysical properties of these complexes were determined in degasse...

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Detalles Bibliográficos
Autores principales: Henwood, Adam F., Lesieur, Mathieu, Bansal, Ashu K., Lemaur, Vincent, Beljonne, David, Thompson, David G., Graham, Duncan, Slawin, Alexandra M. Z., Samuel, Ifor D. W., Cazin, Catherine S. J., Zysman-Colman, Eli
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Royal Society of Chemistry 2015
Materias:
Chemistry
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5657412/
https://www.ncbi.nlm.nih.gov/pubmed/29142691
http://dx.doi.org/10.1039/c4sc03914a
Descripción
Sumario:We report the first examples of highly luminescent di-coordinated Pd(0) complexes. Five complexes of the form [Pd(L)(L′)] were synthesized, where L = IPr, SIPr or IPr* NHC ligands and L′ = PCy(3), or IPr and SIPr NHC ligands. The photophysical properties of these complexes were determined in degassed toluene solution and in the solid state and contrasted to the poorly luminescent reference complex [Pd(IPr)(PPh(3))]. Organic light-emitting diodes were successfully fabricated but attained external quantum efficiencies of between 0.3 and 0.7%.

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