NPB-DPA

$1,000.00

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Compound Description

NPB-DPA >99% – High-Purity HTL, HIL, and EBL Material for OLED Applications

Noctiluca proudly presents NPB-DPA, a high-purity (>99% HPLC) compound optimized for advanced organic light-emitting diode (OLED) applications. Formally known as N1,N1′-(Biphenyl-4,4′-diyl)bis(N1-(naphthalen-1-yl)-N4,N4-diphenylbenzene-1,4-diamine), with the molecular formula C₆₈H₅₀N₄ and CAS number 910058-11-6, NPB-DPA has been synthesized to meet the most stringent requirements of OLED technology.

This compound excels as a Hole Transport Layer (HTL), Hole Injection Layer (HIL), and Electron Blocking Layer (EBL) material, delivering exceptional charge transport efficiency and photoluminescent properties for energy-efficient and high-performance OLED devices.

Molecular Structure and Properties of NPB-DPA

NPB-DPA is a biphenyl-based compound with a molecular weight of 923.15 g/mol and a characteristic off-white crystalline or powder appearance. It exhibits a strong absorption peak (λₘₐₓ) at 355 nm in DCM and a photoluminescence emission maximum (λₘₐₓ) at 515 nm in DCM.

The electronic properties of NPB-DPA are carefully calibrated, with a HOMO level of 5.2 eV and a LUMO level of 1.9 eV. These energy levels ensure optimal charge injection and transport, making NPB-DPA an ideal material for OLED applications requiring high efficiency and stability.

Key Features of NPB-DPA

  • Exceptional Purity and Consistency: Noctiluca’s NPB-DPA undergoes rigorous purification processes, including sublimation and high-performance liquid chromatography (HPLC), achieving a purity level of >99%. This level of refinement ensures stable performance, extended device lifetimes, and reproducibility in OLED applications.
  • Optimized for HTL, HIL, and EBL Applications: NPB-DPA is specifically engineered for Hole Transport Layers (HTLs) and Hole Injection Layers (HILs), where efficient hole mobility is essential for device performance. Its molecular structure also allows it to function as an Electron Blocking Layer (EBL), reducing electron leakage and improving charge balance within the OLED device.
  • Optimized Energy Levels for TADF Applications: The precisely tuned HOMO (5.2 eV) and LUMO (1.9 eV) levels make NPB-DPA compatible with Thermally Activated Delayed Fluorescence (TADF) systems. This enables enhanced device efficiency and stability while supporting advanced colour tuning for display technologies.
  • Structural Stability and Versatile Processing: With a robust molecular framework and high purity, NPB-DPA is compatible with vacuum deposition and other OLED fabrication techniques, ensuring flexibility for both research and industrial-scale production.

The Role of NPB-DPA in Advanced OLED Technologies

NPB-DPA plays a vital role in OLED technology as a high-efficiency material for Hole Transport Layers (HTLs), Hole Injection Layers (HILs), and Electron Blocking Layers (EBLs). Its finely tuned electronic properties allow for efficient hole mobility, while also minimizing electron leakage. This leads to improved charge balance, reduced power consumption, and enhanced energy efficiency in OLED devices.

Furthermore, NPB-DPA’s photoluminescent properties and compatibility with TADF technologies make it highly suitable for advanced display and lighting applications. Its structural stability ensures reliable performance, even under demanding operational conditions, enabling the development of long-lasting and energy-efficient OLED systems.

Conclusion

At Noctiluca, NPB-DPA >99% represents our dedication to delivering cutting-edge materials for OLED and optoelectronic applications. With exceptional purity, optimized energy levels, and outstanding photoluminescent properties, NPB-DPA empowers researchers and manufacturers to achieve superior performance in OLED technologies.

Discover the advantages of NPB-DPA for your OLED projects and explore how Noctiluca’s innovative materials are driving advancements in display and lighting solutions worldwide.

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