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General information

  • Name: TmPyPB
  • Full name: 1,3,5-Tri[(3-pyridyl)-phen-3-yl]benzene
  • CAS number: 921205-03-0
  • Chemical formula: C39H27N3
  • Molecular weight: 537.65 g/mol
  • Absorption: λmax = 254 nm in DCM
  • Photoluminescence: λmax = 353 nm in DCM
  • HOMO/LUMO: HOMO = 6.8 eV, LUMO = 2.8 eV
  • Synonyms: Tm3PyPB, 1,3,5-Tris(3-pyridyl-3-phenyl)benzene, 1,3,5-Tri(m-pyridin-3-ylphenyl)benzene
  • Classification: Organic light-emitting diodes, Emmiting layer materials (EML), Electron transport layer materials (ETL), Hole blocking layer materials (HBL), TADF materials, Host materials, Solution-processed OLED materials, PHOLED materials, Organic photovoltaics (OPV), Perovskite solar cells
  • Purity: Sublimed: >99%
  • Melting point: 195 - 200 °C
  • Appearance: White powder/crystals

TmPyPB: Elevating OLED Technology with High-Performance Materials

The relentless advancement in organic electronics has been significantly attributed to innovative materials like TmPyPB. This compound is swiftly becoming indispensable in the industry, particularly within the sphere of organic light-emitting diodes (OLEDs).

Understanding TmPyPB

TmPyPB, known scientifically as 1,3,5-Tris(3-pyridyl-3-phenyl)benzene, is a compound with a complex molecular structure that is vital for the development of OLED technology. It consists of a central benzene ring substituted with three pyridylphenyl groups, which imparts distinctive electronic properties to the molecule.

Key Features of TmPyPB

TmPyPB’s molecular design translates into several key features that make it a valuable asset in OLED manufacturing:

  • Electron Transport Layer (ETL) Material: TmPyPB’s structure facilitates efficient electron transport, which is crucial for the operation of OLEDs.
  • Hole Blocking Layer (HBL) Material: It also serves as an effective hole blocking layer, preventing the recombination of electrons and holes in undesired areas of the device.
  • Luminescent Properties: The compound’s ability to emit strong blue light is leveraged in the emitting layers of OLEDs, contributing to the vivid displays of modern electronic devices.

The Versatility of TmPyPB in Material Science

TmPyPB’s applications extend beyond OLEDs. Its luminescent properties and structural versatility make it a candidate for use in other areas of material science, such as:

  • Sensing Technologies: Its ability to act as a fluorescent probe is explored in the detection of metal ions and organic compounds.
  • Novel Luminescent Materials: Researchers are investigating TmPyPB for developing new luminescent materials with potential applications in various fields of technology.


TmPyPB is not just enhancing the current generation of OLEDs; it is paving the way for future innovations in organic electronics. With its high purity, multifunctional applications, and strong blue emission, TmPyPB is set to become a cornerstone in the evolution of electronic materials.

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