OLED Material
DPEPO CAS NO.: 808142-23-6
Description
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Organic semiconductor materials are widely used in electron transport layers, hole blocking layers in OLEDs and hole materials in TADF blue light emitters.DPEPOThe sterically substituted diphenyl phosphine oxide (DPPO) group makes DPEPO one of the most popular large band gap materials for blue TADF OLEDs.The use of electron-withdrawing DPPO substituents not only improves its thermal stability and morphological stability, but also makes DPEPO a material for the electron transport layer. Due to its higher HOMO energy level, DPEPO also acts as a hole barrier material in TADF-OLED devices. ThatThe triplet energy level is (ET=3.0 eV).
| CAS NO.: | 808142-23-6 |
| Formula: | C36H28O3P2 |
| Molecular weight: | 570.55g/mol |
| Grade: | SublimedSublimation class, >99.7%(HPLC) |
| Product color: | Colorless transparent solid / white powder |
| Melting point;TGA: | 280oC; 320OC(0.5% weight loss) Preh self-test |
| UV: | 388 nm (in CH2Cl2) |
| PL: | 311 nm (in CH2Cl2) |
| HOMO/LUMO: | HOMO 6.1 eV, LUMO 2.0 eV; T1= 3.0 eV |
| Package: | 1g / 5g / 10g |
| Alias: |
Bis[2-(diphenylphosphino)phenyl]ether oxide
Bis[2-((oxo)diphenylphosphino)phenyl]ether |
| Classification: | Diphenyl ether (DPE), TADF blue emitter host materials, Electron-transport layer materials (ETL), Hole-blocking layer materials (HBL), Phosphorescent organic light-emitting devices (PHOLEDs), Sublimed materials |
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