An Ester-Substituted Iridium Complex for Efficient Vacuum-Processed Organic Light-Emitting Diodes
✍ Scribed by Etienne Baranoff; Stéphane Suarez; Philippe Bugnon; Henk J. Bolink; Cédric Klein; Rosario Scopelliti; Libero Zuppiroli; Michael Grätzel; Mohammad K. Nazeeruddin
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2009
- Tongue
- English
- Weight
- 321 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1864-5631
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## Abstract A new series of highly efficient red‐emitting phosphorescent Ir(III) complexes, (Et‐CVz‐PhQ)~2~Ir(pic‐N‐O), (Et‐CVz‐PhQ)~2~Ir(pic), (Et‐CVz‐PhQ)~2~Ir(acac), (EO‐CVz‐PhQ)~2~Ir(pic‐N‐O), (EO‐CVz‐PhQ)~2~Ir(pic), and (EO‐CVz‐PhQ)~2~Ir(acac), based on carbazole (CVz)‐phenylquinoline (PhQ) ma
**Two new iridium complexes with pyrazine** derivatives as ligands (see Figure) were synthesized. The electroluminescent devices based on these metal complexes emit orange–red light at ∼ 610 nm with exceedingly high brightness and external quantum, current, and power efficiencies.