Bis(arylimidazole) iridium picolinate emitters and preferential dipole orientation in films

A.J. Huckaba, A. Senes, S. Aghazada, A. Babaei, S.C.J. Meskers, I. Zimmermann, P. Schouwink, N. Gasilova, R.A.J. Janssen, H.J. Bolink, M.K. Nazeeruddin

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Abstract

The straightforward synthesis and photophysical properties of a new series of heteroleptic iridium(III) bis(2-arylimidazole) picolinate complexes are reported. Each complex has been characterized by nuclear magnetic resonance, UV-vis, cyclic voltammetry, and photoluminescent angle dependency, and the emissive properties of each are described. The preferred orientation of transition dipoles in emitter/host thin films indicated more preferred orientation than homoleptic complex Ir(ppy)3.

Original languageEnglish
Pages (from-to)2673-2682
Number of pages10
JournalACS Omega
Volume3
Issue number3
DOIs
Publication statusPublished - 31 Mar 2018

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