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General information

  • Name: 3TPYMB
  • Full name: Tris(2,4,6-trimethyl-3-(pyridin-3-yl)phenyl)borane
  • CAS number: 929203-02-1
  • Chemical formula: C42H42BN3
  • Molecular weight: 599.61 g/mol
  • Absorption: λmax = 331 nm in THF
  • Photoluminescence: λmax = 382 nm in THF
  • HOMO/LUMO: HOMO = 6.8 eV, LUMO = 3.3 eV
  • Synonyms: Tri[3-(3-pyridyl)mesityl]borane
  • Classification: Organic light-emitting diodes, Electron transport layer materials (ETL), Emmiting layer materials (EML), Host materials, Perovskite solar cells, TADF materials
  • Purity: Sublimed: >99.0% (HPLC)
  • Melting point: TGA: 250 °C
  • Appearance: White powder/crystals

3TPYMB: Pioneering Blue OLED Technology with Unmatched Purity

The organic electronics industry is continuously evolving, and materials like 3TPYMB are at the forefront of this transformation. Tris(2,4,6-trimethyl-3-(pyridin-3-yl)phenyl)borane, known as 3TPYMB, is a compound renowned for its high performance in OLED devices, particularly in blue light emission.

Understanding 3TPYMB

3TPYMB is a complex molecule that serves as a host material in the fabrication of blue organic light-emitting diodes (OLEDs). It is designed to accommodate the emission of guest materials, such as phosphorescent or fluorescent dyes, within OLEDs. The structure of 3TPYMB, with a borane core linked to three pyridinylphenyl groups, provides a high triplet energy level, which is crucial for efficient blue light emission.

Key Features of 3TPYMB

3TPYMB’s molecular structure is engineered to enhance the performance of OLEDs, particularly in the blue spectrum:

  • High Triplet Energy: Essential for blue OLEDs, 3TPYMB’s high triplet energy ensures efficient light emission and device longevity.
  • Charge-Transport Properties: It facilitates a balanced electron and hole transport, crucial for the luminous efficiency and uniformity of OLED displays.
  • Thermal Stability: The material’s robustness against heat prevents performance degradation, vital for the reliability of OLEDs over time.
  • Solubility in Organic Solvents: This feature allows for flexible processing techniques, leading to better quality films and device optimization.

The Role of 3TPYMB in Modern OLEDs

3TPYMB plays a critical role in modern OLED technology. Its high triplet energy is particularly advantageous for blue OLEDs, where it ensures the efficient emission of light. Additionally, 3TPYMB’s good charge-transport properties, high thermal stability, and solubility in common solvents make it an excellent host material, enhancing the overall performance and longevity of OLED devices.

Beyond its role as a host, 3TPYMB is also utilized as a dopant to improve the performance of OLEDs. This includes enhancing the efficiency and color purity of the devices, making it a versatile component in OLED manufacturing.

Noctiluca ensures the highest quality of 3TPYMB, with a purity exceeding 99.0% as confirmed by HPLC. This exceptional purity is essential for producing high-quality OLEDs and maintaining consistent device performance.


3TPYMB is setting a new standard in the OLED industry, particularly for blue light-emitting devices. Its high triplet energy, excellent charge-transport properties, and thermal stability position it as a key material for the advancement of OLED technology.

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