CAS Number 57102-62-2
High-purity (Sublimed ≥99.0%) and available online for priority dispatch, 9,9'-Diphenyl-9H,9'H-3,3'-bicarbazole, CAS No. 57102-62-2
9,9'-Diphenyl-9H,9'H-3,3'-bicarbazole (BCzPh), with two conjugated carbazole units, is an electron-rich host material used for phosphorescent organic light-emitting diodes (PHOLEDs). Being electron-rich, BCzPh is also used as an electron donor to form exciplexes either as an emitting layer or host material for highly-efficient fluorescent and phosphorescent OLED devices.
With the dimerization of carbazoles and thus the blocked 3 and 3'-positions, BCzPh can greatly reduce the host-host aggregation, causing excimer formation. With a higher Tg, it can also improve thermal and morphological stability of thin films.
BCzPh is an isomer of CBP and mCBP which are used as universal host materials for blue, red, green and white electroluminescent OLED devices.
| CAS number | 57102-62-2 |
|---|---|
| Full name | 9,9'-Diphenyl-9H,9'H-3,3'-bicarbazole |
| Chemical formula | C36H24N2 |
| Molecular weight | 484.59 g/mol |
| Absorption | λmax 303 nm in DCM |
| Fluorescence | λmax 391, 408 nm in DCM |
| HOMO/LUMO | HOMO 5.67 eV, LUMO 2.3 eV [1] |
| Classification / Family | Carbazole derivatives, Light-emitting diodes, Organic electronics, PHOLED host materials, Sublimed materials. |
| Purity | Sublimed >99.0% (HPLC) |
|---|---|
| Melting point |
TGA: 340 °C (0.5% weight loss) Tg = 100 °C |
| Appearance | Off-white crystals/powder |
*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the Sublimed Materials.
Chemical Structure of BCzPh, CAS 57102-62-2
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