Thermodynamic calculations on the catalytic growth of multiwall carbon nanotubes

Details Thermodynamic calculations on the catalytic growth of multiwall carbon nanotubes Thermodynamic calculations on the catalytic growth of multiwall carbon nanotubes

2003-07-09

arxiv.org/abs/cond-mat/0307197v2

Phys. Rev. B 71 (2005) 035403

Physics

Condensed Matter

Materials Science

9 pages, 3 figures, 1 table

Scientific paper

10.1063/1.1628069

We have developed a thermodynamic model of the catalytic growth of multiwall carbon nanotubes from hydrocarbon precursors at elevated temperature. Using this model we have computed the heat distribution, and carbon concentration in the catalyst. Calculations delivered a analytical formula for the growth time and growth rate. We find that the growth is mainly driven by a concentration gradient within the catalyst, rather than a temperature gradient.

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