CAS Number 1469700-24-0
5CzBN, penta-carbazolylbenzonitrile, is sterically hindered due to the five bulky electron-donating carbazolyl groups on the benzene ring struggling for space. It is a light-blue TADF fluorescence emitter widely used for highly efficient TADF-OLED devices.
| CAS number | 1469700-24-0 |
|---|---|
| Full name | 2,3,4,5,6-penta(carbazol-9-yl)benzonitrile |
| Synonyms | 5CzCN, 2,3,4,5,6-penta(9H-carbazol-9-yl)benzonitrile |
| Chemical formula | C67H40N6 |
| Molecular weight | 929.1 g/mol |
| Absorption | λmax 325 nm, 348 nm and 420 nm in DCM |
| Fluorescence | λem 488 nm in toluene |
| HOMO/LUMO | HOMO = 5.55 eV, LUMO = 2.74 eV, T1 = 2.68 eV [1] |
| Classification / Family | Carbazole, Phthalonitrile, TADF materials, Blue dopant materials, Sublimed materials |
| Purity | Unsublimed >98%; Sublimed >99.0% (1H NMR) |
|---|---|
| Melting point | Tg = 318 °C (lit.) |
| 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.
Chemical Structure of 2,3,4,5,6-penta(carbazol-9-yl)benzonitrile (5CzBN), CAS 1469700-24-0.
| Device structure | ITO/HATCN (5 nm)/NPB (30 nm)/TCTA (10 nm)/mCBP:5CzBN (20 wt%) (30 nm)/DpyPA:Liq (1:1, 30 nm)/LiF (0.5 nm)/Al (150 nm) [2] |
|---|---|
| Colour |
Blue 
|
| Max. EQE | 16.7% |
| Max. Power Efficiency | 40.0 Im/W |
| Device structure | ITO (100 nm)/HATCN (10 nm)/TrisPCz (30 nm)/mCBP (10 nm)/15wt%-5CzBN:mCBP (30 nm)/T2T (10 nm)/BPyTP2 (40 nm)/LiF (0.8 nm)/Al (100 nm) [3] |
|---|---|
| Colour |
Blue
|
| Max. EQE | 18.0% |
| Max. Power Efficiency | 49.9 Im/W |
专业代理国外知名镊子品牌
我们将竭诚为你服务
0755-23003036
粤ICP备14069686号