Used as a key intermediate in organic light-emitting diodes (OLEDs), particularly in blue-emitting devices due to its high triplet energy and good hole-transport properties. Its silyl-modified carbazole structure enhances thermal stability and film-forming ability, making it suitable for use in evaporated OLEDs for displays and lighting. Also employed in host materials for phosphorescent and thermally activated delayed fluorescence (TADF) emitters. Shows promise in perovskite solar cells as a hole-transport layer component owing to its favorable energy levels and morphological stability.