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Ir(mppy)3, green light emitting phosphorescent dopant
Used in highly efficient OLED and TADF-OLED devices
Ir(mppy)3, Tris[2-(p-tolyl)pyridine]iridium(III), is widely used as a phosphorescent dopant which emits green light in highly efficient OLED and TADF-OLED devices. With three methyl groups attached to the ppy ligands, Ir(mppy)3 is more soluble than the widely known green emitter Ir(ppy)3.
When it is co-doped with Ir(ppz)3, Ir(mppy)3 devices show a slower efficiency roll-off and higher electroluminescent efficiencies due to improved recombination probability and suppressed exciton quenching.
Highly efficient and stable tandem organic light-emitting devices based on HAT-CN/HAT-CN:TAPC/TAPC as a charge generation layer, Y. Dai et al., J. Mater. Chem. C, 3, 6809-6814 (2015);DOI: 10.1039/C4TC02875A.
High-Performance Hybrid Buffer Layer Using 1,4,5,8,9,11-Hexaazatriphenylenehexacarbonitrile/Molybdenum Oxide in Inverted Top-Emitting Organic Light-Emitting Diodes, C-H. Park et al., ACS Appl. Mater. Interfaces, 7 (11), 6047–6053 (2015); DOI: 10.1021/am5091066.
Interface and thickness tuning for blade coated small-molecule organic light-emitting diodes with high power efficiency, Y-F. Chang et al., Appl. Phys. Lett.,114, 123101 (2013); doi: 10.1063/1.4821881.
Efficient phosphorescent polymer light-emitting devices using a conjugated starburst macromolecule as a cathode interlayer, X. Zhang et al., RSC Adv., 6, 10326 (2016); DOI: 10.1039/c5ra19156d.
Highly efficient and stable organic light-emitting diodes with a greatly reduced amount of phosphorescent emitter, H. Fukagawa et al., Sci. Rep., 5:9855 (2015); DOI: 10.1038/srep09855.
Highly efficient green single-emitting layer phosphorescent organic light-emitting diodes with an iridium(III) complex as a hole-type sensitizer, R. Wu et al., J. Mater. Chem. C, 7, 2744-2750 (2019); DOI: 10.1039/C8TC06509H.
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