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General information

  • Name: CbBPCb
  • Full name: 3,3'-Di(9H-pyrido[2,3-b]-indol-9-yl)biphenyl
  • CAS number: 1469997-91-8
  • Chemical formula: C34H22N4
  • Molecular weight: 486.57 g/mol
  • Absorption: λmax = 240 nm, 297 nm in THF
  • Photoluminescence: λmax = 382 nm in THF
  • HOMO/LUMO: HOMO = 6.3 eV, LUMO = 2.8 eV
  • Synonyms: mCbBP
  • Classification: Organic light-emitting diodes, Host materials, Semiconducting small molecules
  • Purity: Sublimed: >99.0% (HPLC)
  • Melting point: 251 °C, Tg = 96 °C
  • Appearance: Off-white powder/crystals

CbBPCb Specification: The Advanced Material in Organic Light-Emitting Diodes (OLEDs)

The world of organic light-emitting diodes (OLEDs) is vast and ever-evolving. Among the myriad of materials and compounds that drive this technology forward, CbBPCb stands out as a promising material in the OLED stack.

Understanding CbBPCb

CbBPCb, known in full as 3,3′-Di(9H-pyrido[2,3-b]-indol-9-yl)biphenyl, is a phosphorescent host material used in OLEDs. Its unique molecular structure makes it a highly sought-after material in organic electronic devices.

Key Features of CbBPCb

  • High Efficiency: One of the most important features of CbBPCb is its high efficiency in energy transfer. This property is crucial for the development of advanced OLEDs.  The quantum efficiency of blue PHOLEDs can be increased to more than 30% by using CbBPCb.
  • Phosphorescent OLEDs (PHOLEDs) Material: Due to its unique properties, CbBPCb   is extensively used as a host material in PHOLEDs. This systematic approach ensures that OLEDs function efficiently and have longer lifetimes.
  • Enhanced OLED Performance: When combined with other materials, CbBPCb  has been proven to improve key parameters in OLEDs. This includes extending the device’s lifetime and reducing the driving voltage, leading to more energy-efficient OLED devices.

The Role of CbBPCb in Modern OLEDs

Modern OLEDs demand materials that can deliver high efficiency, longevity, and reduced energy consumption.CbBPCb, with its unique properties, fits perfectly. Its high efficiency means that it can facilitate the transfer of energy in OLEDs, leading to brighter and more vibrant displays. Moreover, its role as a PHOLED material ensures that the OLEDs remain stable and have a longer lifetime.


The world of OLEDs is vast, and the demand for efficient, long-lasting materials is ever-growing.CbBPCb, with its unique properties and capabilities, is set to play a pivotal role in the future of OLED technology. As ongoing research uncovers new possibilities, CbBPCb is expected to diversify its applications, further solidifying its role in the realm of organic electronics.

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