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General information

Name: DPAVBi
Full name: 4,4′-Bis[4-(di-p-tolylamino)styryl]biphenyl
CAS number: 119586-44-6
Chemical formula: C₅₆H₄₈N₂
Molecular weight: 748.99 g/mol
Absorption: λ_max = 405 nm in THF
Photoluminescence: λ_max = 474 nm in THF
HOMO/LUMO: HOMO = 5.3 eV, LUMO = 2.6 eV
Synonyms: 4,4'-[Biphenyl-4,4'-diyldi(E)ethene-2,1-diyl]bis[N,N-bis(4-methylphenyl)aniline]
Classification: Organic light-emitting diodes, Hole transport layer materials (HTL), Emmiting layer materials (EML), Blue fluorescent dopant materials, TADF materials
Purity: Sublimed: >99.0% (HPLC)
Melting point: >300 °C
Appearance: Greenish-yellow powder/crystals

DPAVBi >99% – High-Purity Blue Fluorescent Dopant for OLED Applications

Noctiluca proudly presents DPAVBi, a high-purity (>99% HPLC) material essential in the development of advanced organic light-emitting diodes (OLEDs). Officially named 4,4′-Bis[4-(di-p-tolylamino)styryl]biphenyl, with its molecular formula C₅₆H₄₈N₂ and CAS number 119586-44-6, DPAVBi is synthesized with precision to meet the stringent requirements of optoelectronic applications. This versatile compound serves as a high-performance blue fluorescent dopant, hole transport layer (HTL), and emissive layer material (EML), making it invaluable for the latest OLED and TADF technologies.

Molecular Structure and Properties of DPAVBi

DPAVBi is a large organic molecule with a molecular weight of 748.99 g/mol, exhibiting a distinctive greenish-yellow powder appearance. It has a strong absorption maximum (λₘₐₓ) at 405 nm in tetrahydrofuran (THF) and a photoluminescent emission peak (λₘₐₓ) at 474 nm, also in THF. With a HOMO level of 5.3 eV and a LUMO level of 2.6 eV, DPAVBi supports balanced charge transport, making it an essential material for blue fluorescent applications in OLEDs that require high efficiency and stable electron and hole mobility.

Key Features of DPAVBi

Exceptional Purity and Quality: Noctiluca’s DPAVBi is subjected to high-performance liquid chromatography (HPLC) purification and sublimation, achieving a purity level of >99%. This stringent purification process ensures reliable performance and longevity, which are critical for OLED applications where high purity is essential for device stability.
Optimized for Blue Fluorescent and Emitting Layers: DPAVBi is specifically designed to enhance the brightness and stability of blue fluorescent and emitting layers in OLED devices. Its HOMO/LUMO levels are finely tuned to facilitate efficient charge transport, resulting in high colour fidelity and energy-efficient performance.
Superior Photoluminescent Properties: With a photoluminescence peak of 474 nm, DPAVBi emits a vibrant blue light, making it ideal for display applications that demand high brightness and colour accuracy. Its unique photoluminescent properties contribute to the vividness and precision required in advanced display technologies.
High Thermal Stability: DPAVBi exhibits substantial thermal resilience, with a decomposition temperature above 320 °C. This characteristic ensures that devices utilizing DPAVBi maintain their structural and functional integrity even under high-temperature operating conditions, extending device longevity and performance reliability.
Versatile Fabrication Integration: DPAVBi is compatible with a range of processing methods, including vacuum deposition and solution processing, making it adaptable to various stages of OLED fabrication. This versatility allows manufacturers to integrate DPAVBi seamlessly into both experimental research and large-scale production environments.

The Role of DPAVBi in Advanced OLED Technologies

DPAVBi plays a critical role in the evolution of high-performance OLED devices, providing essential properties for blue fluorescent dopants and hole transport layers. Its optimized molecular structure and photoluminescent characteristics enable devices with enhanced brightness, colour purity, and energy efficiency. As a reliable TADF material, DPAVBi is instrumental in advancing next-generation display technologies by supporting devices that require efficient, stable, and long-lasting blue emission.

Conclusion

Noctiluca’s DPAVBi >99% represents our commitment to providing premium-grade materials for OLED and optoelectronic applications. With its exceptional purity, robust photoluminescent properties, and high thermal stability, DPAVBi empowers researchers and developers in advancing OLED technology. Discover the capabilities of DPAVBi for your optoelectronic projects and explore how Noctiluca’s materials contribute to groundbreaking advancements in display innovation.