High yield production of defect less carbon nanotubes in an arc process

TL;DR

This paper presents an optimized arc plasma method with a focusing electric field for large-scale production of high-purity, defect-free multi-walled carbon nanotubes, validated through Raman and thermogravimetric analysis.

Contribution

It introduces a modified arc process with a focusing electric field that enhances the yield and purity of carbon nanotubes compared to traditional methods.

Findings

High purity multi-walled carbon nanotubes produced

Process optimized using Raman spectroscopy and thermogravimetric analysis

Method enables bulk production with fewer defects

Abstract

An efficient modified arc plasma method, where a focusing electric field is superimposed on the arc electric field, is optimized for the bulk generation of highly pure multi-walled carbon nanotubes. Raman spectroscopy and thermogravimetric measurements have been used to optimize the process.