TXO-TPA

TXO-TPA >99% – High-Purity TADF and Red Emitting Layer Material for Advanced OLED Applications

Noctiluca is proud to present TXO-TPA (2-[4-(Diphenylamino)phenyl]-10,10-dioxide-9H-thioxanthen-9-one), a high-purity material meticulously designed for advanced organic light-emitting diode (OLED) technologies. Known also as 9-H-Thioxanthen-9-one-10,10-dioxide-triphenylamine, with the molecular formula C₃₁H₂₁NO₃S and CAS number 1623010-63-8, TXO-TPA represents a critical innovation in thermally activated delayed fluorescence (TADF) and red fluorescent dopant materials.Sublimed to achieve a purity level of over 99% (HPLC), TXO-TPA is a pivotal material for emitting layers (EML), delivering exceptional performance in next-generation OLED displays and lighting systems. Its optimized optical and electronic properties, combined with remarkable thermal stability, make it indispensable for achieving superior device efficiency and reliability.

Molecular Structure and Properties of TXO-TPA

TXO-TPA is a versatile organic compound with a molecular weight of 487.57 g/mol, appearing as an orange powder or crystalline substance. It exhibits an absorption maximum (λₘₐₓ) at 396 nm in toluene and photoluminescent emission (λₘₐₓ) at 625 nm in thin films, making it ideal for red-emitting applications. The compound’s HOMO and LUMO energy levels, measured at 5.4 eV and 3.5 eV, respectively, are carefully engineered to facilitate efficient charge transfer and energy alignment within OLED architectures. Additionally, its thermal stability, demonstrated by a decomposition temperature exceeding 250°C (TGA, 0.5% weight loss), ensures reliable performance under demanding operational conditions.

Key Features of TXO-TPA

• Exceptional Purity and Quality: TXO-TPA undergoes a precise sublimation process to achieve a purity level exceeding 99% (HPLC), ensuring consistent and reliable performance in advanced optoelectronic devices.
• Optimized for Emitting Layers and TADF Applications: As a TADF material and red fluorescent dopant, TXO-TPA is engineered to enhance brightness, efficiency, and color fidelity in OLED emitting layers.
• Outstanding Photophysical Properties: With an absorption maximum at 396 nm and photoluminescent emission at 625 nm, TXO-TPA supports high-efficiency light emission in red OLED devices.
• Superior Thermal Stability: TXO-TPA’s decomposition temperature of over 250°C ensures durability during device fabrication and extended operational lifetimes.
• Versatile Compatibility: The compound is compatible with diverse deposition techniques, including solution processing and vacuum evaporation, enabling flexible integration into various OLED manufacturing processes.

The Role of TXO-TPA in Advanced OLED Technologies

TXO-TPA is an essential material in OLED devices, functioning as both a TADF material and a red fluorescent dopant within the emitting layer. Its unique ability to facilitate thermally activated delayed fluorescence enhances energy utilization, contributing to higher device efficiency and reduced power consumption. The compound’s carefully tuned HOMO/LUMO levels and photophysical properties ensure optimal charge balance and energy transfer, enabling vibrant red emission with high brightness and color purity. These characteristics make TXO-TPA indispensable for next-generation OLED displays and lighting systems, where energy efficiency, longevity, and precise color rendering are paramount.

Conclusion:

Noctiluca’s TXO-TPA >99% epitomizes our dedication to providing high-performance materials tailored for advanced optoelectronic applications. With exceptional purity, robust thermal stability, and superior photophysical properties, TXO-TPA empowers researchers and developers to achieve groundbreaking innovations in OLED technology. Explore the potential of TXO-TPA for your optoelectronic projects and experience the difference that Noctiluca’s premium materials can make.