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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.149 SNIP: 0.16 CiteScore™: 0.29

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

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.2016014051
pages 231-247

EVIDENCE FOR PLASMA SYNTHESIS OF AN AMORPHOUS POLYNITROGEN ON CARBON NANOTUBES

Thelma G. Manning
US Army RDECOM ARDEC, Picatinny Arsenal, New Jersey 07806, USA
Viral Panchal
US Army RDECOM ARDEC, Picatinny Arsenal, New Jersey 07806, USA
Mounir Jaidann
Defence Research and Development Canada, 2459 de la Bravoure Road, Quebec G3J1X5, 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
Zafar Iqbal
Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, New Jersey 07102, USA

ABSTRAKT

Radio-frequency plasma synthesis of polynitrogen (PN) stabilized on single- and multiwall carbon nanotubes has been carried out using nitrogen mixed with argon or with hydrogen as precursors. Characterization of the samples produced was conducted by Raman spectroscopy (Raman), attenuated total reflectance−Fourier transform infrared spectroscopy, scanning (SEM) and transmission (TEM) electron microscopy, energy-dispersive x-ray spectroscopy, x-ray photoelectron spectroscopy, and differential scanning calorimetry (DSC). Raman, SEM, and TEM showed that an amorphous PN phase is formed on the sidewalls and inside the carbon nanotubes (CNTs), which decomposes exothermally at approximately 300° C, as indicated by DSC measurements. Molecular modeling assessment of the energy performance was carried out for the related nitrogen chain N8 molecule hosted inside a CNT and combined with the double-base energetic material (nitrocellulose, nitroglycerin). Similar assessment was also carried out for a promising nitrogen-rich molecule, 3,6-di(hydrazino)-1,2,4,5-tetrazine (DHT), in its double-base form. The encapsulation of this system inside a nitrogen-doped CNT was considered for showing the effect of CNTs on energetic performance.


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