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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.28 SNIP: 0.421 CiteScore™: 0.9

ISSN Druckformat: 2150-766X
ISSN Online: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v9.i1.40
pages 55-69

UNIFORM- AND HIGH-YIELD CARBON NANOTUBES WITH MODULATED NITROGEN CONCENTRATION FOR PROMISING NANOSCALE ENERGETIC MATERIALS

Hao Liu
Department of Mechanical and Materials Engineering, University of Western Ontario, London, ON, N6A 5B9, Canada
Yong Zhang
Department of Mechanical and Materials Engineering, University of Western Ontario, London, ON, N6A 5B9, Canada
Ruying Li
Department of Mechanical and Materials Engineering, University of Western Ontario, London, ON, N6A 5B9, Canada
Hakima Abou-Rachid
Defence Research and Development Canada−Valcartier Research Centre, Government of Canada, 2459 de la Bravoure Road, Québec, QC, Canada, G3J 1X5
Louis-Simon Lussier
Defence Research & Development Canada-Valcartier, Canada
Xueliang Sun
University of Western Ontario, London, Ontario, N6A 5B9, Canada

ABSTRAKT

It is well known that pure polynitrogen systems are metastable. Recently, a theoretical study showed that when a polymeric nitrogen chain is encapsulated in a carbon nanotube, it will be stable at ambient pressure and room temperature, which makes carbon nanotubes now promising as nanoscale energetic materials. Here, we report a systematic study of multiwalled carbon nanotubes with different nitrogen-doping amounts produced by aerosol-assisted chemical vapor deposition, in which growth temperature, hydrogen flow rate, and aerosol amount have been varied. The morphological and compositional changes of nitrogen-doped carbon nanotubes were characterized by means of scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy. The detailed investigation of nitrogen-doped carbon nanotubes will provide a route to obtain evidence of the above theoretical prediction, and will have potential applications in nanoscale energetic materials.


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