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General information

  • Name: OXD-7
  • Full name: 1,3-Bis[2-(4-tert-butylphenyl)-1,3,4-oxadiazo-5-yl]benzene
  • CAS number: 138372-67-5
  • Chemical formula: C30H30N4O2
  • Molecular weight: 478.58 g/mol
  • Absorption: λmax = 292 in THF
  • Photoluminescence: λmax = 347 nm in THF
  • HOMO/LUMO: HOMO = 6.5 eV, LUMO = 3.0 eV
  • Synonyms: 1,3-Bis[5-(4-tert-butylphenyl)-2-[1,3,4]oxadiazolyl]benzene
  • Classification: Organic light-emitting diodes, Electron injection layer materials (EIL), Electron transport layer materials (ETL), Host materials
  • Purity: Sublimed: >99%
  • Melting point: 241 °C
  • Appearance: White powder/crystals

OXD-7: Premier Electron Transport Material for OLED Applications

OXD-7, known chemically as 1,3-Bis[2-(4-tert-butylphenyl)-1,3,4-oxadiazo-5-yl]benzene, with CAS number 138372-67-5, represents a significant advancement in materials science for OLED technology. This compound, with a molecular formula of C30H30N4O2, is integral to the fabrication of high-efficiency OLEDs, serving crucial roles in electron injection and transport layers, as well as a co-host material for OLED devices. Boasting a purity of over 99%, OXD-7 combines optimal electronic properties with exceptional material stability, making it an invaluable asset for cutting-edge OLED development.

The Molecular Structure and Properties of OXD-7

OXD-7 features a unique molecular architecture that enhances its functionality as an electron transport material. This compound is composed of a benzene core and two phenyloxadiazole derivatives attached to it. With HOMO and LUMO levels of 6.5 eV and 3.0 eV respectively, it facilitates efficient electron mobility and superior electron injection efficiency. This molecular configuration ensures optimal performance in the electron transport layer (ETL) and as a co-host material, contributing to the creation of OLED devices with enhanced brightness, longevity, and energy efficiency.

Key Features of OXD-7

  • Enhanced Electron Transport Efficiency: OXD-7 is meticulously engineered to maximize electron mobility, crucial for the efficient operation of Organic Light-Emitting Diodes (OLEDs). This compound actively lowers the energy barriers associated with electron transport and injection, a pivotal aspect in the creation of high-performance OLED displays and lighting. By improving the electron flow within these devices, OXD-7 directly impacts the luminance and color accuracy, contributing to the development of OLED technology that meets the highest standards of clarity and efficiency. 
  • Stability and Durability: The superior sublimation purity of OXD-7, exceeding 99%, coupled with its robust molecular architecture, ensures an unparalleled level of stability and durability within OLED devices. This stability is critical for maintaining the integrity and performance of OLEDs over extended periods, offering manufacturers the reliability needed for long-term device operation. The contribution of OXD-7 to the longevity of OLEDs underscores Noctiluca’s dedication to supplying materials that enhance not only the performance but also the sustainability of electronic displays, reinforcing our role as a trusted contract research organization (CRO) and OLED materials supplier in the industry.
  • Versatile Application: Demonstrating remarkable versatility, OXD-7 serves as an essential component across a broad spectrum of OLED configurations, including both electron transport layers (ETL) and as a co-host material for phosphorescent OLEDs. This adaptability makes OXD-7 an invaluable asset in the fabrication of OLED devices, supporting a wide range of applications from high-definition displays to energy-efficient lighting solutions. Noctiluca’s expertise in chemical manufacturing and our comprehensive CRO services enable us to support the integration of OXD-7 in cutting-edge OLED technologies, further solidifying our position as a leading supplier in the OLED materials market and a partner in driving the future of organic electronics

The Role of OXD-7 in Advanced OLEDs

In the rapidly evolving OLED sector, OXD-7 stands out as a material that significantly enhances device architecture. Its contribution to electron transport and injection layers not only improves device efficiency but also plays a pivotal role in achieving devices that offer superior color quality and energy savings. The integration of OXD-7 into OLED technology exemplifies Noctiluca’s commitment to driving forward the capabilities of electronic displays and lighting solutions.


OXD-7 exemplifies Noctiluca’s profound expertise and pioneering spirit in the realm of OLED materials, providing groundbreaking solutions that address the complex demands of the OLED sector. Our adept synthesis and distribution of OXD-7, augmented by our extensive suite of contract research organization (CRO) services, cement our status as a vanguard in the progression of organic electronics. Embracing OXD-7, Noctiluca is poised to continue driving OLED technology forward, facilitating our partners in achieving remarkable progress in device performance, operational efficiency, and environmental sustainability. As a premier OLED materials supplier and esteemed CRO company, we are committed to propelling the OLED materials market towards new heights of innovation and excellence.


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