Carbon Nanotubes: A Material of 21^st Century

Carbon nanotubes have received a great deal of attention because of their unique mechanical, thermal, optical, electrical and electronic properties. Carbon nanotubes can be synthesized with high purity, selective growth, high yield and vertical alignment. In order to optimize carbon nanotubes yield and quality, three main synthesis processes have been used, namely, 0arc discharge, laser ablation and chemical vapor deposition (CVD). This review is focused on the growth of CNTs using Low Pressure Chemical Vapor Deposition (LPCVD) method and their characterization. However in this paper introduction of Nanoscience and Nanotechnology, properties and application of carbon nanotubes are also reviewed.