CAS Number 149005-33-4
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.
| CAS number | 149005-33-4 |
|---|---|
| Full name | Tris[2-(p-tolyl)pyridine]iridium(III) |
| Chemical formula | C36H30IrN3 |
| Molecular weight | 696.86 g/mol |
| Absorption | λmax 375 nm in DCM |
| Fluorescence | λmax 515 nm in DCM |
| HOMO/LUMO | HOMO = 5.6 eV, LUMO = 3.0 eV [1] |
| Synonyms | Tris[2-(p-tolyl)pyridinium-1-yl] iridium(III) |
| Classification / Family | Iridium complexes, Phosphorescent dopant materials, Phosphorescent green emitter, sublimed materials, Organic electronics. |
| Purity | Sublimed >99% (HPLC) |
|---|---|
| Melting point | > 320 °C (0.5% weight loss) |
| Appearance | Yellow powder/crystals |
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