CAS Number 1416881-54-3
Potentially used for high efficiency and low-cost solar energy generation, 2,3,5,6-tetrakis(3,6-dimethylcarbazol-9-yl)-1,4-dicyanobenzene, CAS No. 1416881-54-3
2,3,5,6-tetrakis(3,6-dimethylcarbazol-9-yl)-1,4-dicyanobenzene (4CzTPN-Me) is the methylated derivative of 4CzTPN and it is sterically hindered due to the four bulky electron-donating carbazolyl groups. It belongs to the family member of carbazolyl dicyanobenzene derivatives (CDCB derivatives) which are among the first developed TADF materials for the application of 3rd generation of highly efficient delayed fluorescence devices.
Due to its sterically twisted structure and rather unique charge transfer characteristics, 4CzTPN-Me could be potentially used for high efficiency and low-cost solar energy generation, gaining almost zero re-absorption losses in luminescent solar concentrator (LSC).
| CAS number | 1416881-54-3 |
|---|---|
| Full name | 2,3,5,6-tetrakis(3,6-dimethylcarbazol-9-yl)-1,4-dicyanobenzene |
| Synonyms | 2,3,5,6-tetrakis(3,6-dimethyl-9H-carbazol-9-yl)terephthalonitrile |
| Chemical formula | C64H48N6 |
| Molecular weight | 901.10 g/mol |
| Absorption | λmax 498 nm in toluene |
| Fluorescence | λem 561 nm in toluene |
| HOMO/LUMO | HOMO = 5.69 eV, LUMO = 2.90 eV |
| Classification / Family | Carbazole, Terephthalonitrile, TADF materials, Yellow-greenish dopant materials, Sublimed materials |
| Purity | M2215A1 sublimed >99.0% (1H NMR); M2215B1 unsublimed > 98% (1H NMR) |
|---|---|
| Melting point | n.a. |
| Appearance | Orange 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 4CzTPN-Me, CAS 1416881-54-3
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