Abstract
Gadolinium-doped (0.8 at.%) graphite anodes were dc arced to produce different nanocarbons. Emission spectroscopy was performed to determine the temperature and column density distributions of C 2 (a 3 Π u v=0) in the arc plasma under 13.3 and 60 kPa pressures in helium atmosphere. The solid products were analyzed by UV-VIS, TOF MS, HR SEM, and TEM techniques. The influence of metal catalyst on the formation of C 6 0 , and endohedral fullerenes, and carbon nanotubes is discussed.
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