Abstract
Employing the arc discharge method we prepared carbon nanotubes, CNTs, in open air deionized water. Their morphology was studied varying the annealing temperature and characterizing by Raman Spectroscopy, Transmission Electron Microscopy (TEM), X-Ray Diffractogram (XRD) and Energy Dispersion X-Ray (EDX). According to the study, the CNTs are found self-assembled where the graphene sheets and/or defects are observed sort out themselves with enhancement of temperature.
Highlights
Since their discovery [1] carbon nanotubes are a front line research topic
Characterizations and typical analysis have been done by Raman Spectroscopy, X-Ray Diffiractometer (XRD), Transmission Electron Microscopy (TEM), How to cite this paper: Amente, C. and Dharamvir, K. (2015) Thermally Agitated Self Assembled Carbon Nanotubes and the Scenario of Extrinsic Defects
The crystal purity and defect concentration of the graphite powder was tested by the mechanism of Raman spectra recording at room temperature, using RENISHAW-Raman equipment operating with Argon laser of one excitation and wavelength 514 nm
Summary
Since their discovery [1] carbon nanotubes are a front line research topic These of needle-like configurations, observed during intensive research work on fullerene C60,were found differently fascinated and known to have single, double and multi walled [1] [2] structures. Properties of these systems have been studied theoretically and experimentally for over decades. Electronic band structure calculations have predicted that the (n,m) indices determine the metallic or semiconducting behavior of CNTs [11] [15]. The lesser the catalyst leads to multi walled carbon nanotubes production This might result in the variation of sizes. Structural analyses of the samples were done by spectra, diffraction and image pattern recording
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