Abstract
Islands-like amorphous carbon nanotubes (a-CNTs) and multi-wall carbon nanotubes (MWCNTs) have been synthesized by the reaction of CCl4 and ferrocene without or with Co/N alloy as growth catalyst at 160 and 350 ºC, respectively. The as-obtained products are characterized by FESEM, TEM, HRTEM, Raman spectroscopy, and nitrogen adsorption-desorption analysis. The results show that a-CNTs have an outer diameter around 450 nm and a length of up to 5 μm, whereas MWCNTs are 20 nm in diameter and 1.5 μm in length. The specific surface area of a-CNTs and MWCNTs are determined to be 1092 and 364 m2×g−1, respectively. Dichlorocarbene and cyclopentadienyl groups are proved to be the reaction intermediates by GC-MS measurements. A possible growth mechanism of the a-CNTs and MWCNTs has been proposed.
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Luo, W. et al. (2016). Direct Synthesis of Carbon Nanotubes at Low Temperature by the Reaction of CCl4 and Ferrocene. In: Ikhmayies, S.J., et al. Characterization of Minerals, Metals, and Materials 2016. Springer, Cham. https://doi.org/10.1007/978-3-319-48210-1_74
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DOI: https://doi.org/10.1007/978-3-319-48210-1_74
Publisher Name: Springer, Cham
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