TSPO1

TSPO1 >99% – High-Purity Bipolar Host Material for OLED Applications

Noctiluca proudly offers TSPO1, a high-purity (>99% HPLC) compound essential for advanced organic light-emitting diode (OLED) technologies. Formally known as diphenyl[4-(triphenylsilyl)phenyl]phosphine oxide, with the molecular formula C₃₆H₂₉OPSi and CAS number 1286708-86-8, TSPO1 is meticulously synthesized to meet the stringent requirements of next-generation optoelectronic devices. As a versatile bipolar host material, TSPO1 is ideal for electron injection layer (EIL), electron blocking layer (EBL), and hole blocking layer (HBL) applications. Its exceptional thermal stability, precise energy alignment, and superior photoluminescent efficiency establish TSPO1 as a critical material for cutting-edge OLED innovations.

Molecular Structure and Properties of TSPO1

TSPO1 is a diphenylphosphine oxide derivatives with a molecular weight of 536.67 g/mol, available in a stable white powder. It exhibits an absorption maximum (λₘₐₓ) at 266 nm and a photoluminescent emission peak (λₘₐₓ) at 322 nm in dichloromethane (DCM). The compound’s high HOMO level of 6.8 eV and LUMO level of 2.5 eV enable efficient charge transport, ensuring excellent performance in OLED devices. Its unique molecular structure provides balanced charge carrier mobility, critical for applications requiring both electron and hole blocking properties.

Key Features of TSPO1

• Exceptional Purity and Quality: TSPO1 is meticulously refined through sublimation and high-performance liquid chromatography (HPLC), achieving a purity level of >99%. This ensures reliable, consistent performance in OLED applications where purity is essential for efficiency and longevity.
• Optimized for Bipolar Host Applications: TSPO1’s bipolar nature supports its function as both an electron and hole transport material, facilitating balanced charge carrier mobility. This property enhances the energy transfer efficiency and stability of OLED devices.
• Superior Photoluminescent Properties: With a photoluminescent emission peak at 322 nm, TSPO1 ensures precise energy transfer and stable light emission, making it ideal for applications requiring high brightness and colour fidelity.
• Thermal Stability and Robustness: TSPO1 demonstrates high thermal stability, with a melting point (Tm) of 236 °C. This property ensures structural integrity and consistent performance under demanding operational conditions, contributing to extended device lifetimes.
• Versatile Processing Compatibility: TSPO1 is suitable for various fabrication methods, including vacuum deposition and solution processing, making it adaptable to both research environments and large-scale production. Its versatility broadens its application across multiple OLED technologies.

The Role of TSPO1 in Advanced OLED Technologies

TSPO1 is a key material in OLED development due to its ability to function as a bipolar host. Its molecular design supports efficient charge transport, energy transfer, and blocking properties, making it suitable for EIL, EBL, and HBL applications. As a host material for TADF devices and organic printing electronics, TSPO1 enhances device efficiency, brightness, and operational stability. Its balanced energy alignment and photoluminescent properties ensure exceptional performance in next-generation display and lighting systems.

Conclusion

Noctiluca’s TSPO1 >99% exemplifies our commitment to delivering high-purity materials tailored to meet the rigorous demands of OLED and optoelectronic applications. With its outstanding thermal stability, photoluminescent properties, and versatile integration capabilities, TSPO1 enables researchers and manufacturers to achieve breakthroughs in OLED technology. Discover TSPO1’s potential for your optoelectronic projects and see how Noctiluca’s materials drive advancements in display and lighting innovation.