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Nanotubes
Journal
Advances in the Chemistry and Physics of Materials: Overview of Selected Topics
Date Issued
2019-01-01
Author(s)
Panchakarla, Leela Srinivas
Rao, C. N.R.
Abstract
Nanotubes are unique quasi-one-dimensional nanomaterials. After carbon nanotubes (CNTs), there are different layered and non-layered materials, which are made into nanotubular structures. Nanotubes show significant electrical, mechanical and thermal properties. A variety of high- and low-temperature strategies are employed for the synthesis of carbon nanotubes. Single-walled CNTs are either metallic or semiconducting depending on the rolling. The separation of these two types in the post-synthesis mixture is an important issue for using them in further applications. Different techniques have been utilised to separate them. Doping and surface functionalization of carbon nanotubes have been developed to fine-tune the physical and chemical properties. Synthesis and characterization of inorganic nanotubes are developed in parallel with CNTs. Different electrical, mechanical properties of CNTs and inorganic nanotubes are measured on individual nanotube levels. Synthesis of nanotubes from complex misfit-layered compounds has also been achieved recently. This chapter comprises an up-to-date overview of carbon and inorganic nanotubes covering different significant aspects.