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Spezifikation
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Name:
Spiro-TTB
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Vollständiger Name:
2,2',7,7'-Tetra(N,N-di-p-tolyl)amino-9,9-spirobifluorene
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CAS-Nummer:
515834-67-0
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Chemische Formel:
C81H68N4
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Molekulargewicht:
1097.43 g/mol
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Absorption:
λmax = 385 nm in THF
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Photolumineszenz:
λmax = 409 nm in THF
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HOMO/LUMO:
HOMO = 5.2 eV, LUMO = 1.9 eV
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Synonyms:
N2,N2,N2′,N2′,N7,N7,N7′,N7′-Octa-p-tolyl-9,9′-spirobi[fluorene]-2,2′,7,7′-tetraamine, 2,2′,7,7′-Tetra(N, N-di-tolyl)amino-spiro-bifluorene
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Klassifizierung:
Organic light-emitting diodes, Hole transport layer materials (HTL), Perovskite solar cells, Organic photovoltaic devices
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Reinheit:
>98.0% (HPLC)
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Schmelzpunkt:
Tg = 146 °C
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Aussehen:
Light yellow powder/crystals
Spiro-TTB: Advancing the Field of Organic Light-Emitting Devices
The organic electronics sector is witnessing rapid advancements and Spiro-TTB is at the forefront of these innovations. Recognized for its electron-rich structure and versatility, Spiro-TTB is making significant strides in the development of OLED devices, perovskite solar cells and other organic photovoltaic devices.
Understanding Spiro-TTB
Spiro-TTB, scientifically known as 2,2′,7,7′-Tetra(N,N-di-p-tolyl)amino-9,9-spirobifluorene, is derived from a core of spirobifluorene with di-p-tolylamines attached at the 2- and 7-positions. This unique molecular configuration imparts an electron-rich nature to the compound, making it an ideal candidate for various optoelectronic applications.
Key Features of Spiro-TTB
- Hole Transport Layer (HTL) Material: Spiro-TTB’s electron-rich structure makes it a prime choice for use as a hole transport layer in OLED devices. Its ability to effectively transport holes ensures optimal device performance.
- Electron Blocking Layer (EBL) Material: Its properties also allow it to serve as an electron blocking layer, preventing unwanted electron movement and enhancing device efficiency.
- Host Material in PhOLEDs: Spiro-TTB is extensively used in phosphorescent organic light-emitting diodes (PhOLEDs) as a host material, facilitating better light emission and device longevity.
- Compatibility with Perovskite Solar Cells and OPVs: Beyond OLEDs, Spiro-TTB finds applications in perovskite solar cells and organic photovoltaic devices, underscoring its versatility in the organic electronics domain.
Spiro-TTB in Organic Electronics
Spiro-TTB’s prominence in the organic electronics sector is not just due to its molecular structure but also its adaptability. When compared to other compounds like Spiro-OMeTAD, Spiro-TTB showcases a deeper HOMO energy level, which can potentially lead to enhanced device performance. Its ability to form exciplexes with other materials further broadens its application scope, making it a valuable asset in the research and development of next-generation organic electronic devices.
Conclusion
Spiro-TTB is shaping the future of organic electronics with its multifaceted applications and unique molecular attributes. As research continues to delve deeper into its potential, Spiro-TTB is poised to set new benchmarks in the OLED and organic photovoltaic sectors.
