4,4',4''-Tris(carbazol-9-yl)-triphenylamine Chemical Properties
Melting point 298~300°C
density 1.23±0.1 g/cm3(Predicted)
pka -5.97±0.60(Predicted)
λmax 326nm(CH2Cl2)(lit.)
InChIKey AWXGSYPUMWKTBR-UHFFFAOYSA-N
CAS DataBase Reference 139092-78-7
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36/37-36
WGK Germany 3
HS Code 29339900
MSDS Information
4,4',4''-Tris(carbazol-9-yl)-triphenylamine Usage And Synthesis
Applications Having three carbazole units as the pendants and triarylamine at the core, tris(4-carbazoyl-9-ylphenyl)amine (TCTA) is electron-rich. As a result, it is widely used as a hole-transport and hole-injection material in light-emitting diodes and perovskite solar cells. With low electron mobility, TCTA has also been used as exciton/electron blocking layer materials because of its high lying LUMO energy level (LUMO = 2.4 eV).
TCTA is also a very popular phosphorescent host material due to its large band gap (Eg = 3.4 eV) for green, red and white phosphorescent organic light-emitting diodes (PhOLEDs).
Chemical Properties Light yellow solid
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