CAS Number 168127-49-9
PYD-2Cz is composed of two electron-donating carbazole substituents with an electron deficient pyridine core unit. PYD-2Cz is a commonly-used bipolar host material for phosphorescent organic light‐emitting diodes (PHOLEDs). This is due to its wide band-gap and ability to be both an electron acceptor and donor.
With higher triplet energy levels (T1 = 2.93 eV), PYD-2Cz is an ideal candidate for hosting blue electro-phosphorescence OLEDs.
| CAS number | 168127-49-9 |
|---|---|
| Full name | 2,6-Bis(9H-carbazol-9-yl)pyridine |
| Chemical formula | C29H19N3 |
| Molecular weight | 409.48 g/mol |
| Absorption | λmax 241 nm, 290 nm in DCM |
| Fluorescence | λem 373 nm in THF |
| HOMO/LUMO | HOMO = 5.7 eV, LUMO = 2.2 eV; T1 = 2.93 eV [1] |
| Synonyms | PYD2, PYD-2, mCPy |
| Classification / Family | Carbazole, Bipolar host materials, TADF green emitter materials, Phosphorescent organic light-emitting devices (PHOLEDs), Sublimed materials |
| Purity | Sublimed >99.0% (HPLC) |
|---|---|
| Melting point | 202°C (lit.)TGA: >250 °C (0.5% weight loss) |
| Appearance | Off-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.
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