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General information

Name: DPEPO
Full name: Bis[2-(diphenylphosphino)phenyl]ether oxide
CAS number: 808142-23-6
Chemical formula: C₃₆H₂₈O₃P₂
Molecular weight: 570.55 g/mol
Absorption: λ_{_max} = 388 nm in DCM
Photoluminescence: λ_{_max} = 311 nm in DCM
HOMO/LUMO: HOMO = 6.1 eV, LUMO = 2.0 eV
Synonyms: -
Classification: Organic light-emitting diodes, TADF materials, Host materials, Electron transport layer materials (ETL), Hole blocking layer materials (HBL), PHOLED materials, Diphenyl ether (DPE)
Purity: Sublimed: >99.0% (HPLC)
Melting point: 176 - 177 °C
Appearance: White powder/crystals

DPEPO >99% – Premium Host and Electron Transport Layer Material for Advanced OLED Applications

At Noctiluca, we proudly offer DPEPO (Bis[2-(diphenylphosphino)phenyl]ether oxide), a high-purity compound essential for organic light-emitting diodes (OLEDs), TADF materials, and electron transport layers (ETL). Known by its full chemical name Bis[2-(diphenylphosphino)phenyl]ether oxide and identified by CAS number 808142-23-6, this compound, with the molecular formula C₃₆H₂₈O₃P₂, is produced to the highest industry standards. With a purity of >99% (sublimed), DPEPO ensures optimal performance in next-generation OLED technologies, contributing to innovations in PHOLED and TADF systems.

The Molecular Structure and Properties of DPEPO

DPEPO is a versatile organic material with excellent properties for use in host materials, electron transport layers (ETL), and hole blocking layers (HBL) in OLEDs. This white powder or crystalline compound has a molecular weight of 570.55 g/mol and shows outstanding photophysical properties. It absorbs light at λ_max = 388 nm and exhibits photoluminescence at λ_max = 311 nm in DCM. The HOMO/LUMO levels of 6.1 eV and 2.0 eV further enhance its efficiency in charge transport and light emission in OLED devices.

Key Features of DPEPO

Exceptional Purity and Quality: Our DPEPO >99% is sublimed to achieve the highest level of purity, ensuring reliable performance across various OLED and TADF applications. This high purity is critical for maintaining device efficiency and longevity, reducing the risk of impurities that can impact performance.
Optimized for OLED Applications: DPEPO is a key material for electron transport layers (ETL), hole blocking layers (HBL), and host materials in OLEDs and PHOLEDs. Its balanced HOMO/LUMO levels facilitate efficient charge transfer and blockholes, leading to devices with enhanced brightness, efficiency, and stability.
Superior Photophysical Properties: With absorption maxima at 388 nm and photoluminescence at 311 nm in DCM, DPEPO offers excellent light absorption and emission characteristics, making it a crucial material in high-performance OLED technologies.
High Thermal Stability: DPEPO offers impressive thermal stability with a melting point of 176 – 177 °C, ensuring its structural integrity and electronic properties remain stable under demanding operational conditions. This makes it ideal for ensuring the long-term performance of OLED devices.
Versatile Processing Capabilities: DPEPO is compatible with a variety of processing techniques, including solution processing and vacuum deposition, allowing for easy integration into OLED manufacturing workflows in both research and large-scale production environments.

The Role of DPEPO in Advanced OLED Technologies

DPEPO, with its molecular formula C₃₆H₂₈O₃P₂, plays a crucial role in the development of advanced OLED and TADF technologies. Its role as a host material and electron transport layer (ETL) helps optimize charge transport and light-emitting properties in devices. DPEPO enables more efficient energy transfer and improved color purity in PHOLEDs, contributing to enhanced brightness and stability. Its superior photophysical and thermal properties make DPEPO indispensable for achieving top-tier performance in organic electronic devices.

Conclusion

Noctiluca’s DPEPO >99% exemplifies our dedication to delivering premium-quality chemical materials that meet the demands of advanced OLED and TADF applications. With its high purity, excellent photophysical properties, and robust performance in OLEDs, DPEPO is an essential material for researchers and developers aiming to push the boundaries of optoelectronic technologies. Whether in research laboratories or industrial-scale production, Noctiluca’s DPEPO provides the consistency and reliability needed for innovative solutions.

Contact us today to learn more about how DPEPO can enhance your projects, or to inquire about bulk orders for your specific needs.