Synthesis of Carbon Nanofibers on Copper Nanopowders by Low-Temperature CVD

  • G. Partizan The Institute of Combustion Problems, 050012, Bogenbay batyr str., 172, Almaty, Kazakhstan; Al-Farabi Kazakh National University, 050040, al-Farabi ave., 71, Аlmaty, Kazakhstan
  • B. Z. Mansurov The Institute of Combustion Problems, 050012, Bogenbay batyr str., 172, Almaty, Kazakhstan
  • B. S. Medyanova The Institute of Combustion Problems, 050012, Bogenbay batyr str., 172, Almaty, Kazakhstan; Al-Farabi Kazakh National University, 050040, al-Farabi ave., 71, Аlmaty, Kazakhstan
  • A. B. Koshanova The Institute of Combustion Problems, 050012, Bogenbay batyr str., 172, Almaty, Kazakhstan; Al-Farabi Kazakh National University, 050040, al-Farabi ave., 71, Аlmaty, Kazakhstan
  • M. E. Mansurova Al-Farabi Kazakh National University, 050040, al-Farabi ave., 71, Аlmaty, Kazakhstan
  • B. A. Aliyev Al-Farabi Kazakh National University, 050040, al-Farabi ave., 71, Аlmaty, Kazakhstan
  • X. Jiang Institute of Materials Engineering, University of Siegen, Paul-Bonatz-Straße 9-11, 57076, Siegen, Germany
Keywords: thermal chemical vapor deposition, carbon nanostructures, copper nanopowders, low-temperature synthesis of carbon nanofibers

Abstract

The article presents the results of experiments on the synthesis of carbon nanofibers by thermal chemical vapor deposition using copper nanopowders obtained by electric explosion of wire as catalysts. Stable growth of carbon nanofibers was carried out at temperatures significantly lower than normally used. The process parameters that are optimal for low-temperature growth of carbon nanofibers have been identified during the performed experiments. The synthesized samples have different diameters and morphology (from spiral to direct). Copper clusters are both at the ends and inside the fibers. The results of IR spectroscopy indicate that the structure of the obtained carbon nanofibers is polymeric. X-ray analysis revealed the presence of a halo on the diffraction patterns at small values of the angle 2θ, which proves that the grown structures have an amorphous nature. There are no groups that are responsible for long-range order in all Raman spectra. Studies by transmission electron microscopy showed that nanostructures do not have an internal channel and nanofibers are solid.

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Published
2016-10-27
How to Cite
[1]
G. Partizan, “Synthesis of Carbon Nanofibers on Copper Nanopowders by Low-Temperature CVD”, Eurasian Chem. Tech. J., vol. 18, no. 4, pp. 283-292, Oct. 2016.
Section
Articles

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