Shen Zhu, Ching-Hua Su, J. C. Cochrane, S. Gorti, S. Lehoczky, Y. Cui, A. Burger
Abstract:AbstractCarbon nanotubes are synthesized using thermal chemical vapor deposition. Various temperature and pressure are used to fabricate carbon nanotubes. It is found that the nanotube-diameter distribution mainly depends on the growth-temperature. With the substrate surface normal either along or against the gravity vector, different growth orientations of multi-walled carbon nanotubes are observed by scanning electron microscopy although the Raman spectra are similar for samples synthesized at different loca…
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