Abstract
A large amount of single wall carbon nanotubes (SWNTs) was successfully produced by thermal decomposition of C2H, at 800 °C over magnesia supported Fe-Mo bimetallic catalysts in a tubular flow reactor under an atmosphere of hydrogen flow. The growth density of SWNTs increased with increasing the weight percent of the catalyst metals (wt% ratio of two metals: 50 : 50) supported on magnesia (MgO) from 5 to 30 wt%. The yield of SWNTs reached 144.3% over 30 wt% metal-loaded catalyst. Raman measurements showed the growth of bundle type SWNTs with diameters ranging from 0.81 to 1.96 nm. The growth of SWNTs was also identified by thermal gravimetric analysis (TGA) and Raman spectroscopy.
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Shajahan, M., Mo, Y.H. & Nahm, K.S. Low cost growth route for single-walled carbon nanotubes from decomposition of acetylene over magnesia supported Fe-Mo catalyst. Korean J. Chem. Eng. 20, 566–571 (2003). https://doi.org/10.1007/BF02705567
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DOI: https://doi.org/10.1007/BF02705567