POSTF

POSTF: High-Purity Hostfor Cutting-Edge OLED Applications

At Noctiluca, we are dedicated to advancing OLED technology with our high-purity materials, such as POSTF (2′-(Diphenylphosphoryl)-10-phenyl-10H-spiro[acridine-9,9′-fluorene]). With a CAS number of 1647050-25-6 and a molecular formula of C₄₃H₃₀NOP, POSTF is meticulously synthesized to meet the highest standards required for both research and industrial applications. This compound, with a molecular weight of 607.68 g/mol, is essential for developing efficient and reliable organic light-emitting diodes (OLEDs), particularly in the role as host material.

Molecular Structure and Optical Properties of POSTF

POSTF features a sophisticated molecular structure, combining the unique properties of a spiro-acridine core with a diphenylphosphine oxide. This design imparts exceptional electronic and photophysical properties, making POSTF highly effective in OLED applications. The compound exhibits absorption maxima at λ_max = 280 nm and 325 nm and photoluminescence at λ_max = 430 nm in DCM, underscoring its capability to efficiently absorb and emit light. Additionally, the HOMO/LUMO energy levels of 5.6 eV and 2.1 eV respectively, make POSTF an ideal material for effective charge transport and energy management within OLED devices.

Key Features and Advantages of POSTF

• Superior Purity and Consistent Quality: Our POSTF is produced with a purity level of over 99.0% (HPLC), ensuring consistent and reliable performance across various OLED applications. This high degree of purity is crucial for maintaining the efficiency and stability of OLED devices, particularly in the development of host.
• Optimized for Advanced OLED Applications: POSTF is designed to serve as a highly efficient host material, supporting the performance of OLEDs, particularly in TADF and PHOLED applications. Its integration into these technologies leads to improved energy conversion efficiency, vibrant color fidelity, and extended operational lifespans, making it an essential component in next-generation display technologies.
• Exceptional Optical and Electronic Properties: The advanced molecular design of POSTF  with finely tuned HOMO/LUMO energy levels displays high triplet energy and bipolarity. This characteristics provide efficient hole and electron transport and energy distribution, ensuring superior device performance across various OLED architectures.
• Robust Thermal Stability: POSTF exhibits a glass transition temperature (Tg) of 160 ℃ and a decomposition temperature (Td) of 356 ℃, providing excellent thermal stability under operating conditions. Thermal robustness of POSTF is essential for maintaining the structural integrity and electronic properties of OLEDs over extended periods, contributing to the longevity and reliability of the devices.

The Role of POSTF in OLED Innovation

As a high-purity host POSTF plays a critical role in the advancement of OLED technology. Its ability to efficiently manage charge transport and energy transfer directly impacts the performance, efficiency, and durability of OLED devices. By incorporating POSTF into their designs, developers can achieve enhanced energy efficiency, superior color quality, and long-lasting device performance, making it a key material in the evolution of modern electronic applications.

Conclusion

POSTF exemplifies Noctiluca’s commitment to delivering advanced materials that support the ongoing innovation in OLED technology. As a leading supplier of high-purity materials and a trusted contract research organization (CRO), we are dedicated to providing products that meet the highest standards of quality, performance, and reliability.

Contact us today to discover how POSTF can enhance your research and industrial projects. Explore the benefits of our high-purity materials and learn how they can contribute to the success of your next-generation electronic devices.