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

Chem Sci

Organic Semiconductor Centre , EaStCHEM School of Chemistry , University of St Andrews, St Andrews , Fife KY16 9ST , UK . Email: ; http://www.zysman-colman.com ; ; Tel: +44-(0)1334-463826.

Published: May 2015

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Article Abstract

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, 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)]. Organic light-emitting diodes were successfully fabricated but attained external quantum efficiencies of between 0.3 and 0.7%.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5657412PMC
http://dx.doi.org/10.1039/c4sc03914aDOI Listing

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