CAS Number 1313391-57-9
DPTPCz is an isomer to Cab-Ph-TRZ with triazine as electron-deficient and carbazole as electron-rich moieties. The difference between them is that for DPTPCz, triazine is directly attached to the carbazole unit while there is a phenyl spacer between the triazine and carbazole units for Cab-Ph-TRZ.
DPTPCz is used as a phosphorescent host material for blue, green and red light-emitting diodes. The bipolar host can achieve balanced charge injection/transport in phosphorescent organic light emitting diodes (PhOLEDs). Nearly 100% triplet harvesting in conventional fluorophor-based organic light-emitting devices is realized through energy transfer from TAPC:DPTPCz exciplex with C545T-doped device. The device showed a maximum current efficiency of 44.0 cd A-1, a maximum power efficiency of 46.1 lm W-1, and a maximum external quantum efficiency of 14.5% [3]
| CAS number | 1313391-57-9 |
|---|---|
| Full name | 3-(4,6-Diphenyl-1,3,5-triazin-2-yl)-9-phenyl-9H-carbazole |
| Chemical formula | C33H22N4 |
| Molecular weight | 474.55 g/mol |
| Absorption | λmax 305, 353 nm in Ethyl acetate |
| Fluorescence | λmax 416 nm in Ethyl acetate |
| HOMO/LUMO | HOMO 5.69 eV, LUMO 2.76 eV, ET = 2.78 eV[1] |
| Synonyms | DPTPCz |
| Classification / Family | Triazine derivatives, Bipolar host materials, PHOLEDs host materials, Sublimed materials. |
| Purity | Sublimed >99.0% (HPLC) |
|---|---|
| Melting point | Tg = 86 ℃ |
| Appearance | White powder/crystals |
*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 DPTPCz, CAS 1313391-57-9
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