Growth of aligned Carbon Nanotubes by catalytic Chemical Vapor Deposition and vapor phase growth Methods

Document Type : Full length research Paper

Authors

1 Department of Physics, Faculty of Science, Shahid Chamran University of Ahvaz, Iran

2 Msc student

3 academic staff /Department of Chemistry, Faculty of Science, Shahid Chamran University of Ahvaz, Iran

Abstract

In this work, Vertically aligned carbon nanotubes ( VA-CNTs) were grown by chemical vapor deposition (CVD) method using Iron-Molybdenum catalyst supported by Silicon (Si) substrate. Acetylene gas (C2H2) as the carbon source, argon (Ar) as the carrier gas, hydrogen (H2) for reduction of the nanoparticles and iron-molybdenum nanoparticles as the catalyst for the growth of carbon nanotubes have been used at temperature of 750 °C. The reaction was performed inside a tube furnace equipped by a quartz tube and gases injected with the certain flow rate into the reaction tube. At first, substrate was coated by a thin layer of iron-molybdenum nanoparticles by the soakage method. Also, Vertically aligned carbon nanotubes wer grown using vapor phase growth method on silicon substrate. The samples characterization was performed using a scanning electron microscopy (SEM, LEO 906E), Field Emission Scanning Electron Microscopy (MIRA3 TESCAN) and X-ray energy dispersive spectroscopy analysis (EDX). Raman spectroscopy was also used to confirm the presence of single-walled nanotubes

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References

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Journal of Research on Many-body Systems
Volume 7, Issue 15
December 2017
Pages 57-64

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History

  • Receive Date: 04 July 2016
  • Revise Date: 20 April 2017
  • Accept Date: 29 May 2017

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