Used in organic light-emitting diodes (OLEDs) due to its high thermal stability and efficient electron transport properties. It serves as a key component in the emissive layer, enhancing device performance and longevity. Also employed in the synthesis of advanced materials for optoelectronic applications, including photovoltaic cells and sensors. Its rigid spiro structure contributes to improved charge carrier mobility, making it valuable in the development of high-efficiency electronic devices.