Keywords
carbon nanotubes
catalyst
hydrogenation
nanocrystals
nickel
Abstract
The sonochemical deposition of nickel nanoparticles onto the multiwall carbon nanotube aggregates leads to a uniformly distributed metal phase at high loadings and an average nickel crystal size of 4–8nm at a 25–50 wt% nickel content. Its application enhances the catalytic activity of Ni/multiwall carbon nanotube material in the selective hydrogenation of chloroacetophenone by factors of 2–18, as compared with that prepared by traditional decoration methods.
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