Widely used in organic electronics, this compound serves as a key material in hole-transport layers of OLED devices due to its high triplet energy and excellent thermal stability. Its rigid molecular structure enhances device efficiency by minimizing energy loss, making it ideal for blue phosphorescent and thermally activated delayed fluorescence (TADF) OLEDs. It is also employed as a host material in emissive layers, where it effectively confines excitons and supports balanced charge transport. Additionally, derivatives are explored in perovskite solar cells as dopant-free hole-transport materials, improving device stability and performance. Its compatibility with vacuum deposition processes further supports its use in high-performance optoelectronic applications.