A Review Of Single Wall Carbon Nanotube: Structure And Preparation

Carbon NanoTubes (CNT) is one of the most interesting material nowadays with significant applications in various fields. Carbon nanotubes (CNTs) are hexagonal networks of carbon atoms which are ~1nm in diameter having a length of 1�100 μm. Single walled nanotube, an important form of nanotubes will be discussed along with its structure, preparation procedures and applications. SWNTs have emerged as a really promising class of electronic materials. Single-walled carbon nanotubes (SWNTs) are nanometre diameter cylinders consisting of a single graphene sheet wrapped up to form a tube. The three types of SWNT structure: zigzag, armchair and chiral nanotubes along with their parameters will be presented. Further, the band structure of SWNT will be illustrated. The four different preparation procedures of SWNTs: electric-arc discharge, laser vaporization, hydrocarbon pyrolysis and solar production will be explored. A comparison of different aspects of synthesis methods will be elucidated. Further the different properties of SWNT and its various applications in the field of nanoelectronics will be discussed. Furthermore, the challenges faced by the SWNTs and their future path in the field of electronics will be reviewed.

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