Used as an intermediate in the synthesis of organic semiconductors and optoelectronic materials. Commonly employed in the production of hole-transport materials for OLEDs (organic light-emitting diodes) due to its excellent charge-transport properties and thermal stability. Also utilized in the development of photorefractive materials and perovskite solar cells as a dopant or additive to improve device efficiency and stability. Its carbazole moiety enables good film-forming ability and resistance to oxidation, making it suitable for use in thin-film electronic applications.