CAS:838862-47-8 | 4,4′-Bis(3,6-di-tert-butyl-9H-carbazol-9-yl)-1,1′-biphenyl

Introduction of CAS:838862-47-8 | 4,4′-Bis(3,6-di-tert-butyl-9H-carbazol-9-yl)-1,1′-biphenyl

The compound "9,9'-[1,1'-biphenyl]-4,4'-diylbis[3,6-bis(1,1-dimethylethyl)-9H-Carbazole" is a type of biphenyl compound, which is a type of organic compound that contains two phenyl rings . The presence of the carbazole groups indicates that this compound may have interesting electronic properties, as carbazole is a common component in organic semiconductors .

Specification of CAS:838862-47-8 | 4,4′-Bis(3,6-di-tert-butyl-9H-carbazol-9-yl)-1,1′-biphenyl

Research Application of CAS:838862-47-8 | 4,4′-Bis(3,6-di-tert-butyl-9H-carbazol-9-yl)-1,1′-biphenyl

Organic Light-Emitting Diodes (OLEDs) Applications

The hole-transporting properties of carbazole derivatives, such as 4,4′-bis(9H-carbazol-9-yl)-1,1′-biphenyl (CBP), are extensively utilized in OLEDs. The mixed-valence radical cations of bis(carbazolyl) analogues like 4,4′-bis(3,6-di-tert-butyl-9H-carbazol-9-yl)-1,1′-biphenyl, a model for CBP, show promising characteristics for OLED applications, as demonstrated by the generation and comparison of radical cations through chemical oxidation (Kaafarani et al., 2016).

Host Materials for Phosphorescent OLEDs

Carbazole derivatives have been developed as bipolar host materials for blue and green phosphorescent OLEDs, showing high triplet energies and excellent performances. Specifically, materials like 9-(3′,5′-di(1H-1,2,4-triazol-1-yl)-[1,1′-biphenyl]-3-yl)-9H-carbazole (DTzSCz) have been used to achieve high external quantum efficiencies in blue and green PhOLEDs, indicating the optimal n-type to p-type ratio for balanced charge transportation (Liu et al., 2016).

High Thermal Stability Host Materials

Novel compounds incorporating carbazole, 1,3,5-triazine, and fluorene groups have been synthesized to exhibit extremely excellent thermal properties and high triplet energy, making them suitable as host materials for green PhOLEDs. These materials, like 9-(4'-(4,6-bis(9,9-dimethyl-9H-fluoren-2-yl)-1,3,5-triazin-2-yl)-[1,1′-biphenyl]-4-yl)-9H-carbazole (TPBDF-Cz1), reveal good electroluminescence performance due to balanced hole and electron transport mobilities (Guichen et al., 2021).

Solution-processible OLED Materials

A fluorinated carbazole derivative, 9,9'-[2,2'-bis(trifluoromethyl)-biphenyl-4,4'-diyl]bis(9H-carbazole) (6FCBP), has been prepared with improved solubility for fabricating OLEDs through spin coating or vacuum deposition, showcasing excellent performance. This highlights the significance of modifying the carbazole core to enhance solubility and processability for OLED applications (Ge et al., 2008).

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