Used in organic synthesis as a key building block for creating conjugated polymers and small molecules in optoelectronic devices. Its boronic acid groups enable Suzuki-Miyaura cross-coupling reactions, making it valuable for constructing π-conjugated systems used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and field-effect transistors (OFETs). The dihexyl chains enhance solubility in organic solvents, facilitating solution-processing techniques like spin-coating or inkjet printing for device fabrication. Commonly employed in the development of blue-emitting materials due to the fluorene core’s favorable electronic properties.