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Carbon Nanotubes: Methods, Achievements, Challenges and Future Directions

Renaissa Ghosh*

Carbon Nanotubes (CNTs), nanoscale hollow tubes of carbon atoms with their unique characteristics, have been revolutionizing the technology world because their unique structural and electrical properties make them ideal for a wide variety of nanotechnology-based applications. This article gives a synopsis of three prevalent methods of CNT synthesis. The field of nanotechnology and nanoscience promote their investigation forward to produce CNTs with acceptable parameters for future applications. Therefore, new approaches to their synthesis need to be developed and optimized. Throughout this paper, the history, the types, the structure and the distinct well-developed synthesis methods for preparing CNTs will be reviewed, including arc discharge, laser ablation and Chemical Vapor Deposition (CVD).