Abstract
Matchstick-like carbon nanotubes (CNTs) have been synthesized by catalytic pyrolysis of thiophene, using a mixture of cobalt nitrate and calcium nitrate as a catalyst. The nanotubes thus grown are aligned, straight, and short, and have spherical heads at their tips. High resolution transmission electron microscopy, selected area electron diffraction, and energy dispersive X-ray spectroscopy results indicate that the spherical heads of the matchstick-like CNTs are crystalline Co9S8 nanoparticles and the CNTs have herringbone-type graphite structure. The effect of temperature on the formation of the matchstick-like CNTs has been investigated. A simple growth model is proposed to describe the growth process of the matchstick-like CNTs.
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81.05.Uw; 61.46 Fg; 81.15.Gh; 68.37.Hk; 68.37.Lp
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Pandey, B., Du, G. & Li, W. Matchstick-like carbon nanotube synthesis and structure. Appl. Phys. A 90, 411–415 (2008). https://doi.org/10.1007/s00339-007-4329-6
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DOI: https://doi.org/10.1007/s00339-007-4329-6