Charge Transport Layer Materials, Fluorescent Host Materials, High Purity Sublimed Materials
1,3-Bis(N-carbazolyl)benzene, known as mCP, with a high triplet energy (ET = 2.91 eV) and a very deep highest occupied molecular orbital (HOMO) level, is often used as host materials for efficient blue phosphorescent light-emitting diodes. Kawamura et al. demonstrated that the photoluminescence internal quantum yield of the blue emitter of FIrpic could approach nearly 100% when doped into the wide energy gap host of mCP [1].
| CAS number | 550378-78-4 |
|---|---|
| Chemical formula | C30H20N2 |
| Molecular weight | 408.49 g/mol |
| Absorption | λmax 292, 338 nm (in THF) |
| Fluorescence | λem 345, 360 nm (in THF) |
| HOMO/LUMO | HOMO = 5.9 eV, LUMO = 2.4 eV |
| Synonyms | mCP, 1,3-Di(9H-carbazol-9-yl)benzene, N,N′-Dicarbazolyl-3,5-benzene |
| Classification / Family | Carbazole derivatives, Hole transporting materials, Phosphorescent host materials, OLEDs, Organic electronics |
| Purity |
>99.5% (sublimed) >98.0% (unsublimed) |
|---|---|
| Melting point | 173-178 °C (lit.) |
| Appearance | White powder |
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