CAS Number 1469703-61-4
4CzIPN-Me, namely 2,4,5,6-Tetra(3,6-dimethylcarbazol-9-yl)-1,3-dicyanobenzene, is the methyl substituted 4CzIPN at 3,6-positions of the four carbazolyl units. Methyl groups at 3,6-positions will enhance the stability but also the solubility of the Carbazolyl benzonitriles. 4CzIPN-Me is the isomeric structure to 4CzPN-Me and 4CzTPN-Me.
By introducing an assistant dopant having a rather large kRISC~106, 4CzIPN-Me, both high electroluminescence efficiency and enhanced operational stability could be achieved in TADF assisted fluorescence (TAF-OLEDs). The state-of-the-art TAF-OLED technology uses a TADF molecule as an assistant dopant and a fluorescent molecule as an end emitter in a host matrix. The suppression of exciton annihilation was demonstrated via efficient and rapid triplet- singlet up conversion.
Electrogenerated chemiluminescence (ECL) study shows that the ECL intensity of 4CzIPN-Me decreases during voltage cycles due to the fact that polymerization happens on the carbazolyl moieties.
| CAS Number | 1469703-61-4 |
| Full Name | 2,4,5,6-Tetra(3,6-dimethylcarbazol-9-yl)-1,3-dicyanobenzene |
| Synonyms | m4CzIPN, 2,4,5,6-Tetrakis(3,6-dimethyl-9H-carbazol-9-yl)-1,3-benzenedicarbonitrile, 2,4,5,6-tetrakis(3,6-dimethyl-9H-carbazol-9-yl)isophthalonitrile |
| Chemical Formula | C64H48N6 |
| Molecular Weight | 901.11 g/mol |
| HOMO/LUMO | HOMO = 5.90 eV, LUMO = 2.81 eV [1] |
| Classification / Family | Carbazole derivatives, Isophthalonitriles, TADF materials, Yellow dopant materials, Sublimed materials |
Chemical Structure of 2,4,5,6-Tetra(3,6-dimethylcarbazol-9-yl)-1,3-dicyanobenzene (4CzIPN-Me), CAS 1469703-61-4
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