139092-78-7

Basic information

• Product Name: 4,4',4''-Tris(carbazol-9-yl)-triphenylamine
• Synonyms: 4,4',4''-TRIS(CARBAZOL-9-YL)TRIPHENYLAMINE;TCATA;Tris[4-(carbazol-9-yl)phenyl]amine;TcTa;Tris(4-carbazoyl-9-ylphenyl)amine;4,4',4''-Tri-9-carbazolyltriphenylamine;tris(4-(9H-carbazol-9-yl)phenyl)amine;4,4',4''-Tris(carbaz
• CAS NO: 139092-78-7
• Molecular Formula: C54H36N4
• Molecular Weight: 740.89
• EINECS: 1312995-182-4
• Product Categories: electronic;Electronic Chemicals;White powder;oled materials;OLED materials,pharm chemical,electronic
• Mol File: 139092-78-7.mol
• Article Data: 0

Chemical Properties

• Melting Point: 298~300°C
• Appearance: /
• Density: 1.234 g/cm³
• Storage Temp.: Inert atmosphere,Room Temperature
• PKA: -5.97±0.60(Predicted)
• CAS DataBase Reference: 4,4',4''-Tris(carbazol-9-yl)-triphenylamine(CAS DataBase Reference)
• NIST Chemistry Reference: 4,4',4''-Tris(carbazol-9-yl)-triphenylamine(139092-78-7)
• EPA Substance Registry System: 4,4',4''-Tris(carbazol-9-yl)-triphenylamine(139092-78-7)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36/37-36
• WGK Germany: 3
• Hazardous Substances Data: 139092-78-7(Hazardous Substances Data)

Usage

Description

4,4',4''-Tris(carbazol-9-yl)-triphenylamine, also known as tris(4-carbazoyl-9-ylphenyl)amine (TCTA), is an electron-rich organic compound characterized by its light yellow solid appearance. It features three carbazole units as pendants and a triarylamine at the core, which contributes to its unique electronic properties.
Usage:
Used in Light-Emitting Materials:
4,4',4''-Tris(carbazol-9-yl)-triphenylamine is used as a key component in the preparation of light-emitting materials for organic electroluminescent devices. Its electron-rich nature, low electron mobility, and high lying LUMO energy level (2.4 eV) make it an ideal candidate for this application.
Used in Light-Emitting Diodes (LEDs):
In the electronics industry, 4,4',4''-Tris(carbazol-9-yl)-triphenylamine is used as a hole-transport and hole-injection material in light-emitting diodes. Its ability to efficiently transport holes and inject them into the emissive layer contributes to the improved performance of these devices.
Used in Perovskite Solar Cells:
4,4',4''-Tris(carbazol-9-yl)-triphenylamine is also utilized in the development of perovskite solar cells. Its electron-rich properties and low electron mobility make it a suitable material for enhancing the efficiency of these solar cells.
Used as Exciton/Electron Blocking Layer Materials:
Due to its high lying LUMO energy level, 4,4',4''-Tris(carbazol-9-yl)-triphenylamine is used as an exciton/electron blocking layer material. This application is particularly relevant in the design of multilayered organic light-emitting diodes, where it helps to confine excitons and electrons within the emissive layer, thus improving device performance.
Used in Phosphorescent Host Materials:
In the field of green, red, and white phosphorescent organic light-emitting diodes (PhOLEDs), 4,4',4''-Tris(carbazol-9-yl)-triphenylamine is used as a popular phosphorescent host material. Its large band gap (3.4 eV) allows for efficient energy transfer to phosphorescent emitters, resulting in enhanced device performance and longer operational lifetimes.