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Computational Fluid Dynamics in the Carbon Nanotubes Synthesis by Chemical Vapor Deposition

Published online by Cambridge University Press:  14 December 2012

Alejandro Gómez Sánchez ,
Lada Domratcheva Lvova ,
Víctor López Garza ,
Ramón Román Doval  and
María de Lourdes Mondragón Sánchez
Alejandro Gómez Sánchez
Affiliation:
Universidad Michoacana de San Nicolás de Hidalgo, Avenida Francisco J. Mujica S/N Ciudad Universitaria, C. P. 58030, Morelia, Michoacán, México.
Lada Domratcheva Lvova*
Affiliation:
Universidad Michoacana de San Nicolás de Hidalgo, Avenida Francisco J. Mujica S/N Ciudad Universitaria, C. P. 58030, Morelia, Michoacán, México.
Víctor López Garza
Affiliation:
Universidad Michoacana de San Nicolás de Hidalgo, Avenida Francisco J. Mujica S/N Ciudad Universitaria, C. P. 58030, Morelia, Michoacán, México.
Ramón Román Doval
Affiliation:
Universidad Michoacana de San Nicolás de Hidalgo, Avenida Francisco J. Mujica S/N Ciudad Universitaria, C. P. 58030, Morelia, Michoacán, México.
María de Lourdes Mondragón Sánchez
Affiliation:
Instituto Tecnológico de Morelia, Avenida Tecnológico 1500, C. P. 58120, Morelia, Michoacán, México.
*
*Contact author’s email: [email protected]
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Abstract

In this paper, an experimental study aimed at achieving better control of the deposition patterns of carbon nanotubes (CNTs) is presented. CNTs were grown on a long of reactor by the catalytic chemical vapor deposition (CVD) of a benzene/ferrocene solution at 1073 K. The deposition patterns on the substrate were controlled for process times and carrier gas flow rates. In order to investigate the reaction mechanism and production rate for the growth of CNTs in catalyst CVD, computational fluid dynamics (CFD) model was developed in this study. Then the computational model was integrated with the dynamic model to optimize the process parameters formulating a correlation between turbulence, deposition rate for the growth of carbon nanotubes and parameters as process time and carrier gas flow rate. Scanning electron microscopes (SEM) are used to characterize carbon nanotubes products.

Keywords

chemical vapor deposition (CVD)scanning electron microscopy (SEM)simulation
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1479: Symposium S – Nanostructured Materials and Nanotechnology—2012 , 2012 , pp. 111 - 116
Copyright
Copyright © Materials Research Society 2012

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References

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