Abstract: Carbon Nanotubes are the new wonder materials which have opened up new pathways in the field of electronics. CNTs due to their Chirality, they can act as metallic as well as semiconducting materials. In this review an attempt to study the electrical characteristics of Single Walled Carbon Nanotube has been made. A CNT molecule inserted between two gold electrodes and the variations in the electrical characteristics are observed by using Quantum wise Virtual Nanolab Software.

Keywords: Tunnelling; Transmission Coefficient; Transmission Spectrum; K-Point Sampling.