Used as a host material in organic light-emitting diodes (OLEDs), particularly in blue phosphorescent devices. Its high triplet energy level enables efficient energy transfer to blue emitters, improving device efficiency and stability. Exhibits good thermal stability and film-forming properties, making it suitable for vacuum-deposited OLED layers. Also employed in stacked or tandem OLED structures to enhance overall luminance and operational lifetime. Its electron-transport characteristics help balance charge injection when paired with appropriate hole-transport materials.