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General information

  • Name: 4CzFCN
  • Full name: 2,3,4,6-Tetra(9H-carbazol-9-yl)-5-fluorobenzonitrile
  • CAS number: 1819362-10-1
  • Chemical formula: C55H32FN5
  • Molecular weight: 781.87 g/mol
  • Absorption: λmax = 307 nm in THF
  • Photoluminescence: λmax = 471 nm in film
  • HOMO/LUMO: HOMO = 6.3 eV, LUMO = 3.5 eV
  • Synonyms: 2,3,4,6-Tetrakis(9H-carbazole-9-yl)−5-fluorobenzonitrile
  • Classification: Organic light-emitting diodes, Emmiting layer materials (EML), TADF materials, Blue fluorescent dopant materials, PHOLED materials
  • Purity: Sublimed: >99.0% (HPLC)
  • Melting point: Tg = 179 ℃
  • Appearance: Deep yellow powder/crystals

4CzFCN >99% – High-Purity Blue Fluorescent Dopant for Advanced OLEDs

At Noctiluca, we are delighted to present 4CzFCN >99%, a crucial component in the evolution of OLED (organic light-emitting diode) technology. Known scientifically as 2,3,4,6-Tetra(9H-carbazol-9-yl)-5-fluorobenzonitrile, and cataloged under CAS number 1819362-10-1 with the molecular formula C55H32FN5, this compound is synthesized to the highest standards for both research and industrial use. Featuring a purity exceeding 99% (HPLC), 4CzFCN ensures excellent performance in cutting-edge OLED applications. Our dedication to quality guarantees that 4CzFCN boosts both the efficiency and lifespan of OLED devices, making it indispensable for modern electronics.

Molecular Structure and Properties of 4CzFCN

4CzFCN stands out due to its exceptional photophysical properties. This deep yellow powder/crystal has absorption maxima at λmax = 307 nm in THF and photoluminescence at λmax = 471 nm in film. Its molecular architecture, featuring a fluorobenzonitrile core surrounded by multiple carbazole groups, offers a balanced blend of electron-donating and electron-accepting properties. The compound exhibits excellent thermal stability with a glass transition temperature (Tg) of 179 ℃, ensuring its robustness under high-temperature processing conditions. These features make 4CzFCN an optimal choice for producing efficient and dependable OLEDs.

Key Features of 4CzFCN

  • Remarkable Purity and Quality: 4CzFCN achieves an exceptional purity level above 99%, confirmed by HPLC. This ensures highly reliable and consistent material quality, which is crucial for achieving optimal performance in OLED applications.
  • Wide-ranging OLED Applications: 4CzFCN excels as a blue fluorescent dopant for the emitting layer (EML) in OLEDs. Its integration significantly enhances both the efficiency and lifespan of OLED devices, supporting a variety of OLED technologies and promoting the development of innovative, energy-efficient displays.
  • Outstanding Photophysical Characteristics: 4CzFCN has excellent light emission properties, with absorption maxima at 307 nm in THF and photoluminescence at 471 nm in film. These attributes are essential for producing high-quality light emission and efficient energy transfer in OLEDs, making it a key component in the development of high-efficiency display technologies.
  • Strong Thermal Stability: Designed for optimal performance under high temperatures, 4CzFCN shows a glass transition temperature (Tg) of 179 ℃. This strong thermal stability ensures that 4CzFCN maintains its structural integrity and electronic properties in demanding conditions, making it a reliable material for OLED applications.
  • Flexible Processing Capabilities: 4CzFCN’s excellent solubility and adaptability make it suitable for various fabrication techniques, including spin-coating and inkjet printing. This flexibility enables smooth integration into different OLED manufacturing processes, leading to the production of devices with enhanced efficiency and uniformity. Whether in research or large-scale production, 4CzFCN supports innovative OLED design and application.

The Role of 4CzFCN in Advanced OLEDs

4CzFCN >99%, with its chemical formula C55H32FN5, is crucial in the advancement of OLED technology. Its efficient charge transport and emission properties significantly enhance the performance of OLED devices. As a blue fluorescent dopant, 4CzFCN ensures excellent color purity and brightness, essential for high-definition displays. Its use in the emitting layer (EML) material enhances the stability and longevity of OLED components, contributing to the development of durable and reliable electronic devices. 4CzFCN’s unique attributes make it indispensable for pushing the boundaries of OLED innovation.


4CzFCN >99% exemplifies Noctiluca’s dedication to providing top-tier chemical materials, highlighting our commitment to advancing material science for efficient and sustainable OLED applications. As a leading supplier of OLED materials and a contract research organization (CRO), we strive to supply premium-grade materials that drive technological and innovative progress.

Contact us to learn how our high-purity 4CzFCN can meet your scientific and industrial needs, ensuring your projects achieve the highest standards of quality and performance, or to inquire about bulk orders of this compound.

Any questions? Contact us!