Pyrene-1,3,6,8-tetracarboxylic acid is widely utilized in the field of organic electronics due to its ability to form stable and highly conjugated structures. It serves as a key building block in the synthesis of organic semiconductors, which are essential components in organic light-emitting diodes (OLEDs) and organic photovoltaic (OPV) cells. Its tetracarboxylic groups enable strong intermolecular interactions, enhancing charge transport properties in these devices. Additionally, it is employed in the development of fluorescent dyes and sensors, where its rigid polycyclic aromatic structure contributes to high quantum yields and sensitivity. In materials science, it is used to create metal-organic frameworks (MOFs) with tailored porosity and functionality for applications in gas storage, separation, and catalysis. Its versatility also extends to the design of supramolecular assemblies and nanostructures for advanced functional materials.