A sonochemical method was used to synthesize carbon nanotube (CNT) in the presence of dichlorobenzene and ZnCl2 under ambient conditions. Structural characterizations were carried out using Raman spectroscopy, X-ray diffraction (XRD) and X-Ray photoelectron spectroscopy (XPS) which confirmed successful formation of CNT. Thermogravimetric analysis shows reduction in amorphous carbon with increase in the sonication period. Morphological studies using field emission scanning electron microscope (FE-SEM) and High resolution transmission electron microscopy (HR-TEM) reveals the formation of combination of single and multiwall carbon nanotubes. The electronic band structural characterization using Ultra violet–visible-near infrared spectroscopy (UV–Vis/NIR) confirms the existence of metallic and semiconducting carbon nanotubes.
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