TTPA

TTPA >99% – High-Purity HTL and EBL Material for OLED Applications

Noctiluca proudly presents TTPA, a high-purity (>99% HPLC) material optimized for advanced organic light-emitting diode (OLED) applications. Formally known as 9,10-Bis[N,N-di-(p-tolyl)-amino]anthracene, with the molecular formula C₄₂H₃₆N₂ and CAS number 177799-16-5, TTPA is synthesized to meet the rigorous demands of OLED technology. This compound serves as an exceptional Hole Transport Layer (HTL) and Electron Blocking Layer (EBL) material, contributing significantly to the performance, efficiency, and longevity of OLED devices.

Molecular Structure and Properties of TTPA

TTPA is an anthracene-based derivative with a molecular weight of 568.75 g/mol and a yellow powder appearance. This material exhibits strong absorption peaks (λₘₐₓ) at 294 nm and 471 nm in DCM, along with a photoluminescence emission maximum (λₘₐₓ) at 554 nm in DCM. Its HOMO/LUMO energy levels of 5.5 eV and 3.1 eV, respectively, ensure efficient charge transport and blocking capabilities, making it ideal for OLED applications demanding high performance and stability.

Key Features of TTPA

• Exceptional Purity and Quality: Noctiluca’s TTPA undergoes high-performance liquid chromatography (HPLC) purification and sublimation to achieve a purity level of >99%. This ensures reliable device performance, extended operational lifetimes, and superior material consistency for OLED applications.
• Optimized for HTL and EBL Applications: TTPA serves as a high-performance Hole Transport Layer (HTL) and Electron Blocking Layer (EBL) material. Its HOMO/LUMO energy levels are precisely tuned to facilitate efficient hole mobility and block electron leakage, contributing to improved charge balance and device efficiency.
• Thermal Stability and Structural Integrity: TTPA demonstrates robust thermal stability with a decomposition temperature exceeding 280 °C (TGA). This ensures that OLED devices utilizing TTPA maintain functional and structural integrity under demanding operational conditions.
• Versatile Processing Capabilities: TTPA is compatible with a range of fabrication techniques, including vacuum deposition and solution processing, enabling seamless integration into both research-oriented and large-scale OLED production.

The Role of TTPA in Advanced OLED Technologies

TTPA plays a pivotal role in the advancement of OLED technology, particularly in applications requiring efficient Hole Transport Layers (HTLs) and Electron Blocking Layers (EBLs). Its molecular design facilitates effective hole mobility while simultaneously blocking electron leakage, ensuring optimal charge balance within the device. These properties enhance energy efficiency, reduce power consumption, and contribute to brighter, more stable OLEDs.

Additionally, TTPA’s capability as a green fluorescent dopant and TADF material enables the production of devices with superior colour accuracy and vibrant light emission. Its robust thermal stability and high purity further support extended operational lifetimes and consistent performance, making it indispensable for both high-end displays and energy-efficient lighting systems.

Conclusion

At Noctiluca, TTPA >99% exemplifies our commitment to providing premium materials for OLED and optoelectronic applications. With outstanding purity, exceptional thermal stability, and optimized photoluminescent properties, TTPA empowers researchers and developers to push the boundaries of OLED technology.

Explore the benefits of TTPA for your optoelectronic projects and learn how Noctiluca’s advanced materials are driving innovations in cutting-edge display and lighting solutions.