Chemical
vapor deposition
Hydrocarbon vapor passed through a tube furnace.
SWNTs or MWNTs depends on size and temperature of catalyst (Fe, Ni with
NH3).
Low-temperature (600-900°C) yields MWNTs, higher temperature (900-1200°C)
favors SWNTs.
Yoshinori Ando, Xinluo
Zhao, Toshiki Sugai, and Mukul Kumar, “Growing
Carbon Nanotubes,” Materials Today, Oct 2004, pages 22-49.
Z. F. Ren, Z. P. Huang, J. W. Xu, J. H. Wang, P. Bush, M. P. Siegal, P.
N. Provencio, "Synthesis
of Large Arrays of Well-Aligned Carbon Nanotubes on Glass," Science,
282, 1105-1107 (1998). |
A nickel cap is on the tip of
each nanotube (except arrow). |
