New trends in the use of transition metal-ligand complexes for applications in electroluminescent devices

E. Holder, B.M.W. Langeveld-Voss, U.S. Schubert

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693 Citations (Scopus)
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Abstract

The advantage of using phosphorescent transition metal-ligand complexes in optoelectronic applications such as organic light-emitting diodes (OLEDs) and light-emitting electrochemical cells (LECs) are described and evaluated. Additionally, different device constructions utilizing phosphorescent transition-metal complexes like iridium(III) mixed-ligand complexes and ruthenium(II) systems are reviewed and specified. Diverse host materials in which the phosphorescent emitters can be placed are discussed, such as small organic molecules and a few polymeric systems, and alternative processing technologies are briefly compared. Recent developments in the synthesis of iridium(III) triplet emitters are discussed. Different device architectures require different kinds of metal-ligand complexes. The different synthetic routes leading to charged and non-charged complexes are briefly discussed.
Original languageEnglish
Pages (from-to)1109-1121
JournalAdvanced Materials
Volume17
Issue number9
DOIs
Publication statusPublished - 2005

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