CAS Number 890148-68-2
TCPZ - 2,4,6-Tris(3-(9H-carbazol-9-yl)phenyl)-1,3,5-triazine is a bipolar host with an electron withdrawn triphenyltriazine centre and three electron rich carbazole peripheral units.
With its decreased singlet–triplet exchange energy (ΔEST = 0.24 eV) and low-lying lowest unoccupied molecular orbital (LUMO) energy level, ultra-low driving voltages can be expected by utilizing TCPZ as the host. TCPZ can be used for high performance deep-red, green and blue PhOLEDs for its good bipolar transport feature.
Ir(ppy)3:TCPZ has a lifetime about two times longer than that of the Ir(ppy)3 triplet excitons due to the triplet exciplex formed between Ir(ppy)3 and TCPZ.
| CAS number | 890148-68-2 |
|---|---|
| Full name | 2,4,6-Tris(3-(9H-carbazol-9-yl)phenyl)-1,3,5-triazine |
| Chemical formula | C57H36N6 |
| Molecular weight | 804.94 g/mol |
| Absorption | λmax 283, 296 nm in film |
| Fluorescence | λmax 467 nm in film |
| HOMO/LUMO | HOMO 6.18 eV, LUMO 2.95 eV[1] |
| Synonyms | 2,4,6-Tris(3-(carbazol-9-yl)phenyl)triazine |
| Classification / Family | Triazine derivatives, Bipolar host materials, PHOLEDs host materials, Sublimed materials. |
| Purity | Sublimed >99.0% (HPLC) |
|---|---|
| Melting point | Tg = 162 ℃ |
| Appearance | Yellow powder/crystals |
*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the Sublimed Materials.
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