Synthesis of Multiwalled Carbon Nanotubes in Large Scale at 470°C

Abstract

We report a novel method to synthesize multiwalled carbon nanotubes (MWNTs) in large scale at 470°C. TEM and Roman spectra analysis show that dominating graphite crystalline coexists with amorphous carbon in MWNTs. XRD and TGA results suggest that fcc cobalt plays a catalytic role in the growth process of MWNTs, which exists and stable inside the carbon layers of MWNTs. The synthesis method is simple and can easily ensure adequate stability and reproducibility. Therefore the method is possibly suited to industrialized synthesizing process of MWNTs due to these advantages.