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Carbon nanotubes (CNTs), the closest structure to ideal one-dimensional (1D) conductors, have stimulated substantial interest in the last decades for many applications in the field of nanotechnology. Unfortunately, the high cost of efficient metal catalysts limits the large-scale exploitation of carbon nanomaterials’ synthesis processed by chemical vapor deposition (CVD). However, minor or even trace amounts of metal or metal oxides in the ideal form to be used as catalysts can be easily found in almost all-natural materials. Herein, we report on the synthesis of carbon nanotubes and nanospheres obtained via CVD from a natural laterite, as a catalyst source. The synthesized nanostructures were carefully analyzed by X-ray diffraction (XRD), environmental scanning electron microscopy (ESEM), high-resolution transmission electron microscopy (HR-TEM), micro-Raman spectroscopy, and thermogravimetric analysis …
Publication date: 
11 Oct 2018

A Kumar, Y Kostikov, B Orberger, G D Nessim, G Mariotto

Biblio References: 
Volume: 1 Issue: 11 Pages: 6046-6054
ACS Applied Nano Materials