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General information

  • Name: PYD-2Cz
  • Full name: 2,6-Bis(9H-carbazol-9-yl)pyridine
  • CAS number: 168127-49-9
  • Chemical formula: C29H19N3
  • Molecular weight: 409.48 g/mol
  • Absorption: λmax = 241 nm, 290 nm in DCM
  • Photoluminescence: λmax = 373 nm in THF
  • HOMO/LUMO: HOMO = 5.7 eV, LUMO = 2.2 eV
  • Synonyms: PYD2, PYD-2, mCPy
  • Classification: Organic light-emitting diodes, TADF materials, PHOLED materials, Host materials
  • Purity: Sublimed: >99.0% (HPLC)
  • Melting point: 202 °C
  • Appearance: Off-white powder/crystals

PYD-2Cz: Elevating OLED Technology to New Heights

PYD-2Cz, or 2,6-Bis(9H-carbazol-9-yl)pyridine, CAS number 168127-49-9, emerges as a cornerstone in OLED material innovation. With its molecular formula C29H19N3, PYD-2Cz excels as a host material for Organic Light-Emitting Diodes (OLEDs), including applications in TADF, PHOLED, and as a versatile component in both fluorescent and phosphorescent devices.

The Molecular Structure and Properties of PYD-2Cz

The molecular structure of PYD-2Cz, distinguished by its carbazole groups positioned around a pyridine core unit, underpins its superior electronic functionalities essential for OLED innovation. This configuration promotes an effective energy level alignment with a HOMO of 5.7 eV and LUMO of 2.2 eV, ensuring PYD-2Cz’s suitability for optimizing charge carrier processes, including both electron and hole transport mechanisms within OLED structures. Such precise energy matching is crucial for facilitating not only efficient light emission but also for enhancing the overall energy transfer efficiency across the emissive layers of OLED devices.

At Noctiluca, our dedication to delivering PYD-2Cz with a purity exceeding 99.0%, as rigorously verified by HPLC analysis, is a testament to our commitment to advancing OLED technology through the provision of superior quality materials. This stringent purity standard is imperative for achieving optimal device performance, minimizing operational inefficiencies, and extending the lifespan of OLED applications. Our role as a premier OLED materials supplier and contract research organization (CRO) extends beyond mere supply; we are partners in innovation, actively engaged in the research and development of next-generation OLED materials. Our expertise in product chemistry and dedication to quality assurance position us as a leader in the field, capable of supporting the OLED industry’s continuous quest for more efficient, reliable, and vibrant display solutions.

Key Features of PYD-2Cz

  • Unmatched Host Material Efficacy: PYD-2Cz stands out for its ability to act as a superior host material, facilitating enhanced energy transfer and stability in OLED layers. This efficacy is pivotal for achieving vibrant displays with high luminance and longevity.
  • Versatility Across OLED Applications: The chemical versatility of PYD-2Cz allows for its application across a broad spectrum of OLED technologies. From TADF materials to blue dopants, PYD-2Cz’s adaptability underlines its value in pushing the envelope of OLED innovation.
  • Excellence in Chemical Manufacturing: Leveraging our expertise in chemical manufacturing and CRO services, Noctiluca is at the forefront of synthesizing and supplying PYD-2Cz. Our dedication to advancing OLED technology through superior materials like PYD-2Cz is evident in our comprehensive support for the OLED industry’s growth.

The Role of PYD-2Cz in Advancing OLED Technologies

PYD-2Cz significantly impacts OLED technology, enhancing device efficiency, stability, and overall display performance. As an optimal host material, PYD-2Cz facilitates superior energy level alignment, crucial for efficient electron and hole transport, leading to brighter, more energy-efficient OLED displays. This compound’s role in thermally activated delayed fluorescence (TADF), especially for challenging blue-emitting devices, highlights its versatility and importance in achieving high color purity and device longevity. Noctiluca, recognized as a premier OLED materials supplier, utilizes PYD-2Cz’s innovative properties to push the boundaries of OLED technology, offering solutions that contribute to the development of more vibrant, durable, and eco-friendly electronic displays. Through strategic chemical manufacturing and CRO services, we support the OLED industry’s shift towards sustainable and advanced display technologies, ensuring PYD-2Cz plays a pivotal role in the next generation of OLED applications.


PYD-2Cz underscores Noctiluca’s leadership in OLED material science, offering cutting-edge solutions for the evolving challenges of modern OLED applications. As a renowned supplier and Contract Research Organization (CRO) specializing in OLED organic materials and TADF materials, we are deeply committed to pushing the boundaries of OLED technology with the provision of high-quality PYD-2Cz. Our dedication is aimed at enhancing the performance and appeal of OLED technologies, driving forward the future of vibrant and sustainable display technologies. By fostering innovation and leveraging our expertise, Noctiluca plays a pivotal role in the advancement of OLED displays that not only meet but exceed performance and environmental standards, marking a significant step towards more efficient and visually compelling electronic displays.

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