For professionals in the field of advanced materials, understanding the intrinsic properties of key chemical compounds is crucial for driving innovation. 5H-[1]benzothieno[3,2-c]carbazole, a compound increasingly recognized for its utility in organic electronics, offers a unique set of characteristics that make it a valuable component in the development of next-generation displays and lighting. As a dedicated supplier of high-quality chemical intermediates, we aim to shed light on why this particular molecule is gaining prominence.

The Molecular Structure and its Significance

5H-[1]benzothieno[3,2-c]carbazole (CAS 1255308-97-4) is a fused heterocyclic organic molecule. Its structure comprises a benzothiophene unit fused with a carbazole system. This specific arrangement of aromatic rings and the presence of a sulfur atom within the benzothiophene moiety contribute significantly to its electronic properties. These structural attributes are fundamental to its application as a building block or functional layer in electronic devices.

Key Chemical and Physical Properties

When considering 5H-[1]benzothieno[3,2-c]carbazole for your research or manufacturing needs, several properties are of particular interest to R&D scientists and product formulators:

  • Appearance: It is typically supplied as a white powder, indicating its high purity and solid-state nature at room temperature.
  • Purity: We ensure a minimum purity of 98%, which is critical for achieving optimal performance in sensitive electronic applications like OLEDs. Higher purity minimizes charge trapping and degradation pathways, leading to more efficient and longer-lasting devices.
  • Molecular Weight: With a molecular weight of approximately 273.35 g/mol, this compound is suitable for incorporation into various deposition processes used in electronic manufacturing.
  • Thermal Stability: While specific data points like melting point (around 215-219°C) are provided, understanding the thermal stability is essential for device fabrication processes that often involve annealing or high-temperature evaporation. This stability ensures the molecule retains its structure and functionality under processing conditions.

Electronic Properties for OLED Applications

The electronic properties derived from its unique fused ring system are what make 5H-[1]benzothieno[3,2-c]carbazole so appealing for OLED technology. These properties often include:

  • HOMO/LUMO Levels: The precise energy levels of its highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) are crucial for determining its charge injection and transport characteristics. These levels dictate how efficiently electrons and holes move through the material and recombine to produce light.
  • Charge Mobility: Its molecular packing and electronic delocalization contribute to good charge carrier mobility, enabling efficient transport within the OLED device.
  • Triplet Energy: For host materials in phosphorescent OLEDs, a high triplet energy is often desired to confine excitons on the dopant molecules, thereby improving efficiency.

As a leading chemical supplier, we are committed to providing materials like 5H-[1]benzothieno[3,2-c]carbazole that meet the stringent requirements of the organic electronics industry. By understanding and leveraging its unique properties, researchers and manufacturers can continue to push the boundaries of what is possible in display technology and beyond.