2',7'-Dibromospiro[cyclopent[3]ene-1,9'-fluorene] is primarily used in the field of organic electronics and materials science. It serves as a key intermediate in the synthesis of organic semiconductors, which are essential components in the production of organic light-emitting diodes (OLEDs). The compound's unique spirocyclic structure contributes to enhanced thermal stability and efficient charge transport properties, making it valuable for developing high-performance electronic devices. Additionally, it is utilized in research focused on creating advanced optoelectronic materials, such as those used in solar cells and sensors, due to its ability to modify electronic properties and improve device efficiency.