The Effect of Ni-Co Catalyst Composition on the Yield and Nanostructure of Carbon Nanofibers Synthesized by CVD

B.K. Singh; Ho Jin Ryu

doi:10.4028/www.scientific.net/SSP.119.227

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HomeSolid State PhenomenaSolid State Phenomena Vol. 119The Effect of Ni-Co Catalyst Composition on the...

The Effect of Ni-Co Catalyst Composition on the Yield and Nanostructure of Carbon Nanofibers Synthesized by CVD

Abstract:

Carbon nanofibers (CNFs) with different compositions (MgONixCoy, x and y= 0.0 to 0.5) and morphologies were synthesized by the CVD method using H2/C2H2 gas over a bimetallic MgO supported catalyst. The techniques such as Raman spectroscopy, SEM and TEM were used to characterize the as-synthesized nanofibers. The maximum yield for the longest of CNFs having widest diameter was obtained with MgONi0.0Co0.5 catalyst at 600°C, while bi-metallic composition MgONi0.25Co0.25 produced CNFs with good crystalline features. The nanostructure of the CNFs with MgONi0.5Co0.0 generates onion/flake like structure.

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Nanocomposites and Nanoporous Materials VII

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Periodical:

Solid State Phenomena (Volume 119)

Pages:

227-230

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.119.227

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Online since:

January 2007

Authors:

B.K. Singh, Ho Jin Ryu

Keywords:

Carbon Filaments, Catalyst, Chemical Vapor Deposition (CVD), Microstructure

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