FTCNQ is widely utilized in the field of organic electronics due to its excellent electron-accepting properties. It is commonly employed as a dopant in organic semiconductors to enhance electrical conductivity and improve device performance. In organic field-effect transistors (OFETs), FTCNQ is used to modify the charge transport characteristics, enabling higher mobility and stability. It also plays a significant role in organic photovoltaics (OPVs), where it helps optimize the energy levels and improve charge separation efficiency. Additionally, FTCNQ is used in the development of organic light-emitting diodes (OLEDs) to fine-tune the electronic properties of the emissive layers, enhancing luminance and efficiency. Its application extends to sensors, where it contributes to the sensitivity and selectivity of organic-based detection systems.