NPNPB >99% – High-Purity HTL and HIL Material for OLED Applications
Noctiluca proudly introduces NPNPB, a high-purity (>99% HPLC) compound engineered to meet the rigorous requirements of organic light-emitting diode (OLED) technologies. Formally known as N,N’-Diphenyl-N,N’-di-[4-(N,N-diphenyl-amino)phenyl]benzidine, with the molecular formula C₆₀H₄₆N₄ and CAS number 936355-01-0, NPNPB is synthesized to deliver exceptional performance in advanced OLED devices. This compound serves as a high-efficiency Hole Transport Layer (HTL) and Hole Injection Layer (HIL) material while also being suitable for use in Thermally Activated Delayed Fluorescence (TADF) applications.
Molecular Structure and Properties of NPNPB
NPNPB is a benzidine-based compound with a molecular weight of 823.03 g/mol and an appearance characterized by a yellow powder. It exhibits a strong absorption peak (λₘₐₓ) at 324 nm in THF and a photoluminescence emission maximum (λₘₐₓ) at 450 nm in THF.
The electronic properties of NPNPB are equally impressive, with a HOMO level of 5.1 eV and a LUMO level of 3.0 eV. These energy levels are finely tuned to facilitate efficient charge transport and hole injection, making NPNPB an essential material for next-generation OLED technologies.
Key Features of NPNPB
- Exceptional Purity and Consistency: Noctiluca’s NPNPB undergoes advanced purification processes, including sublimation and HPLC, to achieve a purity level of >99%. This guarantees reliable device performance, long-term operational stability, and uniform results in OLED applications.
- Optimized for HTL and HIL Applications: NPNPB is specifically designed for Hole Transport Layers (HTL) and Hole Injection Layers (HIL). Its molecular structure ensures efficient hole mobility and improved charge balance within the OLED device, enabling superior brightness and energy efficiency.
- Robust Thermal Stability: NPNPB demonstrates excellent thermal resilience, with a decomposition temperature above 370 °C (DSC). This high thermal stability ensures the material’s integrity during processing and operation, even under extreme conditions.
- Versatile Processing Compatibility: NPNPB is compatible with various fabrication techniques, including vacuum deposition and solution processing, allowing for seamless integration in both experimental and large-scale OLED production environments.
The Role of NPNPB in Advanced OLED Technologies
NPNPB is a cornerstone material in OLED device architecture, serving as a high-efficiency Hole Transport Layer (HTL) and Hole Injection Layer (HIL). By enabling efficient hole mobility and minimizing charge imbalance, NPNPB enhances the overall performance, stability, and brightness of OLED devices.
Additionally, its strong photoluminescent properties and compatibility with TADF technologies make it a valuable material for advanced OLED applications, including high-resolution displays and energy-efficient lighting solutions. The thermal stability and purity of NPNPB further ensure extended operational lifetimes and consistent performance in demanding OLED environments.
Conclusion
At Noctiluca, NPNPB >99% represents our unwavering commitment to delivering premium materials for OLED and optoelectronic applications. With outstanding purity, thermal stability, and finely tuned electronic properties, NPNPB empowers researchers and manufacturers to achieve unparalleled levels of efficiency and performance in OLED technologies.
Discover how NPNPB can elevate your optoelectronic projects and explore Noctiluca’s portfolio of innovative materials driving the future of display and lighting solutions.
