Sayangdev Naha and Ishwar K Puri 2008 J. Phys. D: Appl. Phys. 41 065304 doi:10.1088/0022-3727/41/6/065304
A model for catalytic growth of carbon nanotubes
Sayangdev Naha and Ishwar K Puri1
Show affiliationsDespite the utility and promise of carbon nanotubes (CNTs), their production is generally based on empirical principles. There are only a few CNT formation models that predict the dependence of their growth on various synthesis parameters. Typically, these do not incorporate a detailed mechanistic consideration of the various processes that are involved during CNT synthesis. We address this need and present a model for catalytic CNT growth that integrates various interdependent physical and chemical processes involved in CNT production. We validate the model by comparing its predictions with one set of experimental measurements from a previous study for cobalt (Co) catalyzed growth. A brief parametric study is presented subsequently. From an application perspective, the model is able to predict the growth rate of the CNT length and its dependence on the ambient temperature and gas-phase feedstock partial pressure.
- PACS
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- Dates
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Issue 6 (21 March 2008)
Received 26 December 2007, in final form 24 January 2008
Published 22 February 2008
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A model for catalytic growth of carbon nanotubes
Sayangdev Naha and Ishwar K Puri 2008 J. Phys. D: Appl. Phys. 41 065304
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