In the rapidly evolving landscape of organic light-emitting diode (OLED) technology, the selection of high-performance materials is paramount to achieving superior device efficiency and longevity. Among these critical components, 3-(Biphenyl-4-yl)-5-(4-tert-butylphenyl)-4-phenyl-4H-1,2,4-triazole, commonly known as TAZ, stands out as a highly effective and versatile compound. Identified by its Chemical Abstracts Service (CAS) number 150405-69-9, TAZ is a 1,2,4-triazole-based derivative that has found significant application in the development of next-generation display and lighting solutions.

TAZ is recognized for its distinctive molecular structure, characterized by the chemical formula C30H27N3 and a molecular weight of 429.56 g/mol. Physically, it presents as a white powder or crystals, with a melting point typically ranging from 231 to 235 °C. These robust physical properties contribute to its stability and reliability in various manufacturing processes. A key feature of TAZ is its high purity, often available at >97%, and for specialized applications, sublimed grades exceeding 99.0% purity ensure optimal performance in sensitive electronic devices.

The primary utility of TAZ in OLEDs stems from its excellent properties as an electron-transporting layer (ETL) and a hole-blocking layer (HBL). Its high triplet energy level (ET: 2.7 eV) is particularly crucial, as it effectively confines triplet excitons within the emissive layer of phosphorescent OLEDs (PhOLEDs), especially in blue-emitting devices. This confinement is vital for preventing energy quenching and maximizing the light-emitting efficiency. Furthermore, TAZ's favorable HOMO/LUMO energy levels (6.3/2.7 eV) are instrumental in blocking the unwanted passage of holes while simultaneously facilitating the smooth injection and transport of electrons, leading to enhanced overall device performance, including increased luminance, current efficiency, and external quantum efficiency (EQE).

Beyond its roles as ETL and HBL, TAZ has also been explored as a phosphorescent host material, further underscoring its versatility in organic electronics. Its ability to contribute to the stability and efficiency of blue PhOLEDs has made it a preferred choice for researchers and manufacturers striving to push the boundaries of display technology. The compound's robust performance translates into brighter, more efficient, and longer-lasting OLED panels, meeting the growing demands of modern electronic applications.

As a leading manufacturer and supplier of advanced chemical compounds, NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing high-quality TAZ (CAS: 150405-69-9) to meet the exacting requirements of the OLED industry. We ensure our product adheres to stringent quality controls, offering a consistent and reliable material for your research and production needs. For competitive price inquiries and details on how to buy or purchase this essential OLED component, please contact our sales team. We offer various packaging options to accommodate different scales of operation, from laboratory research to industrial production. We strive to be your trusted partner for premium chemical solutions.