A comparative study of single walled carbon nanotube purification techniques using Raman Spectroscopy
Frost, Ray L., Musumeci, Anthony W., & Waclawik, Eric R. (2008) A comparative study of single walled carbon nanotube purification techniques using Raman Spectroscopy. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 71(1), pp. 140-142.
Raman spectroscopy has been utilized to show the increase of single walled carbon nanotubes (SWCNTs) content in commercial grade samples synthesized by the chemical vapour deposition (CVD) technique with a minimization of impurities using both hydrochloric acid treatment and surfactant purification. Surfactant purification methods proved to be the most effective, resulting in a three fold increase in the percentage of SWCNTs present in the purified product as determined by Raman spectroscopy.
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