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Spezifikation
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Name:
TCTA
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Vollständiger Name:
4,4',4-Tris(carbazol-9-yl)triphenylamine
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CAS-Nummer:
139092-78-7
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Chemische Formel:
C54H36N4
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Molekulargewicht:
740.89 g/mol
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Absorption:
λmax = 293 nm, 326 nm in THF
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Photolumineszenz:
λmax = 385 nm in THF
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HOMO/LUMO:
HOMO = 5.8 eV, LUMO = 2.4 eV
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Synonyms:
Tris(4-carbazoyl-9-ylphenyl)amine, Tris(4-(9H-carbazol-9-yl)phenyl)amine
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Klassifizierung:
Light-emitting diodes, Organic light-emitting diodes, Hole injection layer materials (HIL), Hole transport layer materials (HTL), Emmiting layer materials (EML), Electron blocking layer materials (EBL), Host materials, Solar cells
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Reinheit:
Sublimed: >99.5% (HPLC)
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Schmelzpunkt:
298 - 300 °C
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Aussehen:
White powder/crystals
TCTA: Powering the Next Generation of OLED Devices
The organic electronics sector is witnessing rapid advancements, and materials like TCTA are at the forefront of this innovation. With its unique chemical structure and multifunctional applications, TCTA has carved a niche for itself, especially in the domain of organic light-emitting diodes (OLEDs).
Understanding TCTA
4,4′,4-Tris(carbazol-9-yl)triphenylamine, commonly known as TCTA, is characterized by its distinctive molecular configuration. It consists of a triphenylamine core substituted with three carbazole units. This electron-rich structure imparts specific properties to TCTA, making it a preferred choice for various applications in OLED devices.
Key Features of TCTA
- Hole Transport Layer (HTL) Material: electron-rich nature positions it as an exemplary hole transport layer material in OLEDs. This ensures efficient transport of positive charges within the device.
- Electron Blocking Layer (EBL) Material: TCTA’s ability to block electrons makes it suitable as an electron blocking layer, ensuring that electrons remain confined to specific layers, enhancing device efficiency.
- Host Material in PhOLEDs: TCTA’s compatibility with phosphorescent dopants makes it a prime candidate as a host material in phosphorescent organic light-emitting diodes (PhOLEDs). This results in enhanced light emission and device longevity.
- Exciplex Formation: TCTA can form exciplexes with other electron-deficient materials, leading to unique emission properties. For instance, when paired with materials like PO-T2T, it can generate a distinct yellow exciplex emission.
TCTA in Organic Electronics
TCTA’s versatility extends beyond OLEDs. Its electron-rich nature and ability to form exciplexes make it a material of interest for other organic electronic applications. The potential of TCTA in enhancing the performance of solar cells, especially in the context of exciton blocking and charge transport, is also being explored.
Conclusion
TCTA, with its multifaceted applications and unique molecular structure, is set to play a pivotal role in the future of organic electronics. As research in this domain intensifies, TCTA’s significance in shaping the next generation of OLED devices and other organic electronic applications becomes increasingly evident.
