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Multi-walled carbon nanotubes were synthesized via a catalytic process of CO disproportionation over the in situ formed cobalt nanoparticles on an MgO support. For this purpose Co(CO) 3 NO was used as the source of both cobalt and carbon monoxide. Well-dispersed cobalt nanoparticles supported on MgO gave rise to a narrow size distribution for the generated nanotubes. The carbonaceous materials...
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