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Dalton Trans. 2012 Jul 28;41(28):8669-74. doi: 10.1039/c2dt30698k. Epub 2012 Jun 08.

Copper(I) complexes with bipyridyl and phosphine ligands: a systematic study.

Dalton transactions (Cambridge, England : 2003)

Inmaculada Andrés-Tomé, John Fyson, Fernando Baiao Dias, Andy P Monkman, Giuliano Iacobellis, Paolo Coppo

Affiliations

  1. Wolfson Centre for Materials Processing, Brunel University, Kingston Lane, Uxbridge, UB8 3PH, UK.

PMID: 22677980 DOI: 10.1039/c2dt30698k

Abstract

Phosphorescent copper(I) complexes carrying 2,2'-bipyridyl derivatives and phosphine ligands have been prepared and fully characterised. The role of the bipyridyl as well as the phosphine ligands in defining the optical, as well as the chemical properties of the complexes, are discussed. The light emission of these complexes is investigated as a function of the molecular geometry: rigid complexes with restricted freedom to rearrange in the excited state are found to show a quantum yield of phosphorescence one order of magnitude higher than those complexes with no steric constraint. The complexes have been extruded in a polymer matrix as a proof of principle of their processability.

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