General information

  • Name: UGH2
  • Full name: 1,4-Bis(triphenylsilyl)benzene
  • CAS number: 40491-34-7; 18856-08-1
  • Chemical formula: C42H34Si2
  • Molecular weight: 594.89 g/mol
  • Absorption: λmax = 265 nm in DCM
  • Photoluminescence: λmax = 298 nm in DCM
  • HOMO/LUMO: HOMO = 7.2 eV, LUMO = 2.8 eV
  • Synonyms: UGH-2, 1,4-Phenylenebis(triphenylsilane)
  • Classification: Organic light-emitting diodes, Hole blocking layer materials (HBL), TADF materials, PHOLED materials, TADF materials
  • Purity: Sublimed: >99.0% (HPLC)
  • Melting point: TGA: 350 - 352 °C
  • Appearance: White powder/crystals

UGH2: Advancing OLED Material Science

UGH2, formally known as 1,4-Bis(triphenylsilyl)benzene, with CAS numbers 40491-34-7 and 18856-08-1, is an innovative compound revolutionizing the OLED materials market. Its chemical formula, C42H34Si2, makes it a standout choice for various OLED components, especially as a hole blocking layer (HBL) and in TADF applications.

The Molecular Structure and Properties of UGH2

Delving into UGH2’s molecular structure uncovers the secret to its effectiveness in OLED applications. The compound’s significant HOMO level of 7.2 eV and LUMO level of 2.8 eV position it as an excellent material for efficient energy manipulation within OLED devices.

We offer UGH2 with a purity exceeding 99.0%, as verified by HPLC analysis. This level of purity is crucial for the consistent and high-performance of OLEDs, ensuring top-notch reliability and efficiency in various OLED applications.

Key Features of UGH2

  • Robust Electronic Stability: UGH2 distinguishes itself with an exceptionally stable electronic structure, a vital feature for OLED host materials. This stability translates into consistent performance across a wide range of operating conditions, ensuring that OLED devices maintain their efficiency and reliability over time. For manufacturers and users, this means fewer concerns about device degradation and a longer lifespan for their OLED products. The robustness of UGH2 not only increases the value of the final product but also contributes to customer satisfaction by delivering dependable, high-quality performance.
  • Optimal Energy Level Alignment: The HOMO level of 7.2 eV and LUMO level of 2.8 eV in UGH2 are perfectly aligned for the demands of OLED technology. This alignment facilitates efficient charge transfer and energy emission, a critical factor in producing bright, vibrant, and energy-efficient OLED displays. By optimizing energy consumption and enhancing light emission, UGH2 helps create OLED screens that are not only more captivating to the viewer but also more cost-effective in terms of energy use. This feature makes UGH2 an attractive material for companies looking to develop state-of-the-art OLED products that stand out in the market.
  • Broad Applications in OLED Technology: UGH2’s versatility is a testament to its broad applicability in the OLED industry. Its unique properties make it suitable for a variety of roles within OLED devices, including but not limited to hole blocking layers and TADF materials. This adaptability opens up new opportunities for innovation in OLED design and fabrication, allowing for more flexible and creative product development. The ability of UGH2 to fit into multiple components of OLED devices underscores its value as a multipurpose material, offering manufacturers the flexibility to explore new concepts and enhance the capabilities of their OLED products.


The Role of Spiro-OMeTAD in Advanced OLEDs

In the dynamic realm of OLED technology, the quest for materials that offer enhanced efficiency, longevity, and reduced energy consumption is relentless. UGH2 emerges as a standout component in this context with its unique molecular structure and capabilities. As a critical element in OLEDs, particularly in roles such as hole blocking and TADF materials, UGH2 significantly contributes to optimizing device performance and extending lifespan. Its ability to stabilize electronic environments and maintain optimal energy levels under operational conditions aligns perfectly with the advanced needs of OLED technologies. This makes OLED devices not only more effective but also more durable and energy-efficient, marking UGH2 as a substantial contributor to the ongoing evolution and sophistication of OLED technology.


UGH2 is more than a chemical compound; it’s a catalyst for innovation in OLED technology. As a material that elevates the current state of OLED devices, UGH2 also sets the stage for future advancements in organic electronics. Our commitment to supplying high-purity UGH2 places us at the forefront of the OLED materials supplier market, driving the evolution of OLED technology.

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