CAS Number 1056874-46-4
Bis(2-(3,5-dimethylphenyl)quinoline-C2,N')(acetylacetonato)iridium(III), also known as Ir(dmpq)2(acac), is a highly efficient red phosphorescent emitter that is employed as a dopant material in organic light-emitting diodes (OLEDs).
Compared with Ir(phq)2acac, Ir(dmpq)2(acac) has a higher quantum efficiency. The dmpq ligand is methylated version of the phq (2-phenylquinoline) ligand, with methyl substitutions on the phenyl group. It is believed that the higher efficiency is a result of this methylation of the phq ligand.
| CAS number | 1056874-46-4 |
|---|---|
| Chemical formula | C39H35IrN2O2 |
| Molecular weight | 755.94 g/mol |
| Absorption* | λmax 434 nm (in CH2Cl2) [1] |
| Fluorescence | λem 594 nm (in CH2Cl2) |
| HOMO/LUMO | HOMO = 5.31 eV, LUMO = 3.26 eV [2] |
| Synonyms |
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| Classification / Family | Red dopant material, Organic Light-Emitting Diodes (OLEDs), Organic electronics |
* Measurable with an optical spectrometer
| Purity | >99.5% (sublimed*) |
|---|---|
| Melting point | n/a |
| Appearance | Dark-red powder/crystals |
* Sublimation is a technique used to obtain ultra pure-grade chemicals, see sublimed materials.
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