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General information

  • Name: 5TCzBN
  • Full name: 2,3,4,5,6-Pentakis(3,6-di-tert-butyl-9H-carbazol-9-yl)benzonitrile
  • CAS number: N/A
  • Chemical formula: C107H120N6
  • Molecular weight: 1490.13 g/mol
  • Absorption: λmax = 420 nm in Toluene
  • Photoluminescence: λmax = 480 nm in Toluene
  • HOMO/LUMO: HOMO = 5.8 eV, LUMO = 2.7 eV
  • Synonyms: -
  • Classification: Organic light-emitting diodes, Emmiting layer materials (EML), TADF materials, Blue fluorescent dopant materials
  • Purity: Sublimed: >99% (1H NMR)
  • Melting point: Tg = 325 °C
  • Appearance: Yellow powder/crystals

5TCzBN >99% – Premium Blue Dopant for Next-Generation OLEDs

At Noctiluca, we proudly offer 5TCzBN, a crucial material for the advancement of OLED (organic light-emitting diode) technology. Formally known as 2,3,4,5,6-Pentakis(3,6-di-tert-butyl-9H-carbazol-9-yl)benzonitrile, this compound, with the chemical formula C107H120N6, is meticulously crafted to meet the highest standards of research and industrial applications. With a superior purity of >99% (1H NMR), 5TCzBN ensures exceptional performance in advanced OLED applications. Our dedication to quality guarantees that 5TCzBN supports unmatched efficiency and longevity in electronic devices, making it indispensable for modern technology.

The Molecular Structure and Properties of 5TCzBN

5TCzBN, also known as 2,3,4,5,6-Pentakis(3,6-di-tert-butyl-9H-carbazol-9-yl)benzonitrile, is distinguished by its advanced photophysical properties. This yellow powder/crystalline compound exhibits absorption maxima at λmax = 420 nm in toluene and photoluminescence at λmax = 480 nm in toluene. The molecular structure includes five carbazole groups attached to a benzonitrile core, enhancing its electron transport and blue fluorescent capabilities. These properties, along with its high thermal stability with a glass transition temperature (Tg) of 325 °C, make 5TCzBN an excellent choice for creating efficient and reliable OLEDs.

Key Features of 5TCzBN

  • High Fluorescent Efficiency: 5TCzBN is renowned for its exceptional fluorescent efficiency, making it an ideal blue dopant material for OLEDs. This high efficiency translates to brighter displays and more vivid colors, enhancing the overall visual experience of OLED applications.
  • Superior Purity and Quality: Our 5TCzBN, with a purity level of >99%, verified by 1H NMR, ensures consistent and high-quality material performance. This exceptional purity is essential for minimizing defects and optimizing the functionality of emissive and charge transport layers in advanced electronic devices.
  • Enhanced Electron Transport: The unique molecular structure of 5TCzBN, incorporating multiple carbazole groups, enhances its electron transport properties. This characteristic is crucial for efficient charge carrier mobility, reducing energy loss and improving device performance.
  • Optimal Photophysical Properties: 5TCzBN exhibits impressive absorption and photoluminescence maxima at λmax = 420 nm and λmax = 480 nm, respectively. These properties are vital for maximizing light absorption and emission, crucial for developing high-efficiency OLEDs and other optoelectronic devices.
  • High Thermal Stability: Designed to withstand high temperatures with a glass transition temperature (Tg) of 325 °C, 5TCzBN maintains its performance and structural integrity under demanding operational conditions. This impressive thermal stability ensures that 5TCzBN retains its electronic properties over prolonged periods, making it a reliable choice for OLED applications.
  • Versatile Processing Capabilities: 5TCzBN’s excellent solubility and adaptability make it suitable for various fabrication processes, including solution processing methods like spin-coating and inkjet printing. This flexibility facilitates its integration into different manufacturing workflows, enabling the production of devices with enhanced efficiency and uniformity. Whether in research environments or large-scale production, 5TCzBN’s processability supports innovative design and application in OLEDs.

The Role of 5TCzBN in Advanced OLEDs

5TCzBN, chemically identified as C107H120N6, plays a pivotal role in the development of high-performance OLED technology. By providing efficient charge transport and emission capabilities, 5TCzBN significantly enhances the light-emitting and energy conversion properties of devices. Its effectiveness as a blue fluorescent dopant and TADF material ensures vibrant color purity and brightness, which are essential for developing high-definition displays. Additionally, its robust thermal stability and superior photophysical properties support the creation of durable and reliable electronic devices. The unique combination of these properties makes 5TCzBN a critical asset in advancing OLED technology and expanding its applications in modern electronics.


5TCzBN >99% exemplifies Noctiluca’s commitment to delivering superior chemical materials, underscoring our dedication to advancing material science for sustainable and efficient OLED applications. As a leading OLED materials supplier and contract research organization (CRO), we are devoted to providing our clients with premium-grade materials that foster technological and innovative progress.

Contact us today to discover how our high-purity 5TCzBN 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!