CAS Number 1097652-83-9
B4PyPPM has a 2-phenylpyrimidine skeleton structure with four pyridine pendants. It exhibits superior electron injection properties and an electron mobility that is 10 times higher than those of 3-pyridine derivatives (e.g. B3PyMPM).
Like B4PymPm, B4PyPPM is electron-deficient and used as an electron transport or injection-layer material for OLED devices. Due to its electron-deficient nature, B4PyPPM can also be used with electron-donating materials to form exciplex systems. These are ideal candidates to act as high-performance hosts of both red fluorescent and phosphorescent TADF-OLEDs.
| CAS number | 1097652-83-9 |
|---|---|
| Full name | 4,6-Bis(3,5-di(pyridin-4-yl)phenyl)-2-phenylpyrimidine, 4,6-Bis(3,5-di-4-pyridinylphenyl)-2-phenylpyrimidine |
| Chemical formula | C42H28N6 |
| Molecular weight | 616.71 g/mol |
| Absorption | λmax 254 nm in DCM |
| Fluorescence | n.a. |
| HOMO/LUMO | HOMO = 7.15 eV, LUMO = 3.44 eV [1]; ET1 = 2.72 eV |
| Synonyms | 4,6-Bis(3,5-di-4-pyridinylphenyl)-2-phenylpyrimidine |
| Classification / Family | Pyrimidine derivatives, Highly efficient light-emitting diodes, Organic electronics, Electron-transport layer (ETL) materials, Hole-blocking layer (HBL) materials, TADF materials, Sublimed materials. |
| Purity | Sublimed >99.0% (HPLC) |
|---|---|
| Melting point | 356 °C |
| Appearance | 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 4,6-Bis(3,5-di(pyridin-4-yl)phenyl)-2-phenylpyrimidine, 4,6-Bis(3,5-di-4-pyridinylphenyl)-2-phenylpyrimidine (B4PyPPm), CAS 1097652-83-9
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