Catalytic Chemical Vapour Deposition on MFe<SUB>2</SUB>O<SUB>4</SUB>–SiO<SUB>2</SUB> (M = Co, Mn, Ni) Nanocomposite Aerogel Catalysts for the Production of Multi Walled Carbon Nanotubes
Abstract:Highly porous MFe 2 O 4 -SiO 2 (M = Co, Mn, Ni) nanocomposite aerogels were tested for the first time as catalysts for multi walled carbon nanotubes production by Catalytic Chemical Vapour Deposition. Structural and textural characterization points out that the catalysts are made out of nanocomposites where nanocrystalline ferrite phases with controlled composition and size in the range 9-13 nm are finely dispersed into the highly porous silica support. Remarkably, CoFe 2 O 4 -SiO 2 and MnFe 2 O 4 -SiO 2 catal… Show more
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