Used as a key intermediate in the synthesis of organic semiconductors and optoelectronic materials. Commonly employed in the development of hole-transport materials for OLEDs (organic light-emitting diodes) due to its strong electron-donating properties and thermal stability. Also utilized in perovskite solar cells to enhance device efficiency and stability. Its bromo functional group allows for further cross-coupling reactions, making it valuable in constructing complex conjugated systems for advanced material science applications.