Synthesis of Pt–Co nanoparticles on multi-walled carbon nanotubes for methanol oxidation in H2SO4 solution

2011 ◽  
Vol 407 (1-2) ◽  
pp. 195-203 ◽  
Author(s):  
R.S. Amin ◽  
K.M. El-Khatib ◽  
R.M. Abdel Hameed ◽  
Eglal R. Souaya ◽  
Mohamed A. Etman
Keyword(s):  
Carbon Nanotubes ◽  
Methanol Oxidation ◽  
H2so4 Solution ◽  
Multi Walled Carbon Nanotubes ◽  
Co Nanoparticles ◽  
Walled Carbon Nanotubes

scholarly journals Comparison of functionalized carbon nanofibers and multi-walled carbon nanotubes as supports for Fe–Co nanoparticles

2013 ◽  
Vol 1 (6) ◽  
pp. 2050-2063 ◽  
Author(s):  
Deborah Vidick ◽  
Marcus Herlitschke ◽  
Claude Poleunis ◽  
Arnaud Delcorte ◽  
Raphael P. Hermann ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanofibers ◽  
Multi Walled Carbon Nanotubes ◽  
Co Nanoparticles ◽  
Walled Carbon Nanotubes

scholarly journals Synthesis of multi-walled carbon nanotubes with controlled inner and outer diameters by ethylene decomposition over Ni/MgO and Co/MgO catalysts

2018 ◽  
Vol 36 (4) ◽  
pp. 739-747 ◽  
Author(s):  
N.V. Lemesh ◽  
P.E. Strizhak
Keyword(s):  
Carbon Nanotubes ◽  
Growth Mechanism ◽  
Supported Catalysts ◽  
Support Interaction ◽  
Ethylene Decomposition ◽  
Metal Support Interaction ◽  
Metal Support ◽  
Multi Walled Carbon Nanotubes ◽  
Co Nanoparticles ◽  
Walled Carbon Nanotubes

AbstractIn this work, multi-walled carbon nanotubes (MWCNTs) with significantly different mean diameters were produced by catalytic CVD over Ni and Co-based supported catalysts. Our results indicate that Ni nanoparticles in the Ni/MgO catalyst are responsible for controlling the inner diameters of the carbon nanotubes. Contrary, Co nanoparticles in the Co/MgO catalyst control the outer diameters of MWCNTs. The “base-growth” mechanism and smaller diameters of the MWCNTs grown on the Ni/MgO catalyst are associated with a strong metal-support interaction (SMSI) resulting from NixMg1−xO mixed oxide formation. The concept of the weak metal-support interaction (WMSI) between Co nanoparticles and MgO for the Co/MgO catalyst confirms the “tip-growth” mechanism of the MWCNTs.

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