Single-walled carbon nanotubes are widely used in electronics due to their excellent electrical conductivity and mechanical strength. They are incorporated into transistors, sensors, and conductive films to enhance performance and durability. In the field of energy storage, they are utilized in batteries and supercapacitors to improve charge capacity and efficiency. Additionally, their high surface area and unique properties make them ideal for use in hydrogen storage systems. In medicine, single-walled carbon nanotubes are explored for drug delivery, as they can transport therapeutic agents directly to targeted cells. They are also used in composite materials to reinforce plastics, metals, and ceramics, providing lightweight yet strong alternatives for aerospace, automotive, and construction industries. Furthermore, their applications in environmental technologies include water filtration and pollutant detection, leveraging their adsorption capabilities and sensitivity to chemical changes.