New synthetic pathways to the preparation of near-blue emitting heteroleptic Ir(III)N6 coordinated compounds with microsecond lifetimes

Suraj Soman; Jennifer C. Manton; Jane L. Inglis; Yvonne Halpin; Brendan Twamley; Edwin Otten; Wesley R. Browne; Luisa De Cola; Johannes G. Vos; Mary T. Pryce

doi:10.1039/C4CC02249A

New synthetic pathways to the preparation of near-blue emitting heteroleptic Ir(iii)N₆ coordinated compounds with microsecond lifetimes†

Suraj Soman,‡^a Jennifer C. Manton,^a Jane L. Inglis,^a Yvonne Halpin,^a Brendan Twamley,^a Edwin Otten,^b Wesley R. Browne,^b Luisa De Cola,^c Johannes G. Vos*^a and Mary T. Pryce*^a

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^a SRC for Solar Energy Conversion, School of Chemical Sciences, Dublin City University, Dublin 9, Ireland
E-mail: han.vos@dcu.ie, mary.pryce@dcu.ie
Fax: +353 1 700 5503
Tel: +353 1 700 5307

^b Stratingh Institute for Chemistry, Faculty of Mathematics and Natural Sciences, University of Groningen, The Netherlands

^c Laboratory of Bio-Supramolecular Material, ISIS, University of Strasbourg, F-67083 Strasbourg, France

Abstract

A high yield synthetic route for the preparation of N₆ coordinated heteroleptic Ir(III) complexes using bidentate polypyridyl type ligands is described. The complexes are near-blue emitters and show microsecond emission lifetimes, high emission quantum yields and have two quasi-reversible reduction processes between −1.0 and −1.3 V vs. Ag/AgCl.

Chemical Communications

New synthetic pathways to the preparation of near-blue emitting heteroleptic Ir(iii)N₆ coordinated compounds with microsecond lifetimes†

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New synthetic pathways to the preparation of near-blue emitting heteroleptic Ir(III)N₆ coordinated compounds with microsecond lifetimes

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