High-Efficiency Organic Electroluminescent Devices Using an Organoterbium Emitter
Simone Capecchi(University of Oxford), O. Renault(University of Oxford), D. G. Moon(University of Oxford), M. Halim(University of Oxford), M. Etchells(University of Oxford), P.J. Dobson(University of Oxford), Oleg V. Salata(University of Oxford), Victor Christou(University of Oxford)
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Abstract
A new, highly luminescent terbium complex (see Figure) is investigated here as a material for organic light-emitting diodes (OLEDs). It is demonstrated that device efficiencies of over 2.6 lm/W are possible—the highest yet reported for a lanthanide-based OLED. This indicates that lanthanide-based materials are a viable alternative to Alq- and PPV-based polymers for use in commercial OLED displays.
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