Used as a hole-transporting and electron-blocking material in organic light-emitting diodes (OLEDs). Its high triplet energy and good thermal stability make it suitable for blue phosphorescent OLEDs, where it helps improve device efficiency and longevity. Also employed as a host material in emissive layers and as a building block for larger conjugated systems in organic semiconductors. Additionally, used as a host or template material in organic solar cells, where it controls the alignment of other organic materials to enhance light-to-electricity conversion efficiency. Its structural rigidity supports good film-forming properties in vacuum-deposited devices.