Single-Walled Carbon Nanotubes (SWNTs) -COOH Functionalized: Properties, Synthesis, and Applications Introduction Single-Walled Carbon Nanotubes (SWNTs) are cylindrical nanostructures consisting of a single layer of graphene rolled into a tube. Their exceptional mechanical, electrical, and thermal properties make them valuable in various advanced applications. Functionalizing SWNTs with carboxyl (-COOH) groups introduces new chemical functionalities that enhance...