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Direct vaporization of graphite, under inert gas atmosphere, using a 2 kW solar furnace of the Odeillo institute, gives fullerenes with a yield which can reach 20 %. In the same way, vaporizing graphite/bimetal targets we can produce single-wall carbon nanotubes. The limiting factor is the target temperature which is around 3000 K. With a more powerful furnace (1000 kW) for which the vaporization...
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