2008 NSTI Nanotechnology Conference and Trade Show - Nanotech 2008 - 11th Annual

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TechConnect Summit
Clean Technology 2008

Enhanced ablation of small graphite anodes for arc production of carbon nanotubes

Y. Raitses, A. Fetterman, M. Keidar
Princeton Plasma Physics Laboratory, US

Keywords:
graphite, nanotube, arc, electrode, ablation, sheath

Abstract:
The ablation rate of a graphite anode is investigated as a function of anode diameter for a carbon nanotube arc plasma. It is found that anomalously high ablation occurs for small anode diameters. This result is explained by the formation of a positive anode sheath. The increased ablation rate due to this positive anode sheath could imply greater production rate for carbon nanotubes.


Nanotech 2008 Conference Program Abstract