Used as a key building block in the synthesis of conjugated polymers and organic electronic materials. Its rigid, planar structure enhances electron delocalization, making it valuable in organic semiconductors for applications such as organic light-emitting diodes (OLEDs), field-effect transistors (OFETs), and photovoltaic cells. The amine groups allow for easy functionalization and polymerization, particularly in polyimide and polyamide formation, where thermal stability and mechanical strength are required. Also employed in the development of fluorescent sensors and dyes due to its strong π-conjugated system.