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Chinese Journal of High Pressure Physics  > 2011  >  25(2): 111-117 .
LUO Ning, LI Xiao-Jie, FEI Hong-Lu, MO Fei, ZHANG Cheng-Jiao. Detonation Synthesis of Carbon-Encapsulated Nickel Nanoparticles[J]. Chinese Journal of High Pressure Physics, 2011, 25(2): 111-117 . doi: 10.11858/gywlxb.2011.02.003
Citation: LUO Ning, LI Xiao-Jie, FEI Hong-Lu, MO Fei, ZHANG Cheng-Jiao. Detonation Synthesis of Carbon-Encapsulated Nickel Nanoparticles[J]. Chinese Journal of High Pressure Physics, 2011, 25(2): 111-117 . doi: 10.11858/gywlxb.2011.02.003
shu

Detonation Synthesis of Carbon-Encapsulated Nickel Nanoparticles

doi: 10.11858/gywlxb.2011.02.003
  • 1.

    Institute of Blasting Technology, Liaoning Technical University, Fuxin 123000, China;

  • 2.

    State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China

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  • Corresponding author: LUO Ning
  • Received Date: 11 Nov 2009
  • Rev Recd Date: 15 Jan 2010
  • Issue Publish Date: 15 Apr 2011
    Abstract
  • Carbon-encapsulated nickel nanoparticles (CENNPs) with core-shell structure were synthesized by detonation method using homemade composite explosives with negative oxygen balance. The detonation chemical reaction was initiated by a nonel tube detonator in a closed explosion vessel filled with nitrogen gas. X-ray diffraction (XRD), X-ray fluorescence (XRF), transmission electron microscopy (TEM) with selected area electron diffraction and Raman spectrum techniques were used to characterize the as-obtained detonation products. The XRD and XRF analysis showed that the detonation products mainly consisted of the well-crystallized face-centered cubic nickel nanocrystals, carbon and other microelement. TEM showed that most nanoparticles are made up of a nickel core with the size of 10~25 nm and a carbon shell with the thickness of 1~2 nm. The Raman spectrum analysis indicated that the coating carbon shell is mainly composed of graphite and amorphous carbon. Furthermore, the possible formation mechanism for CENNPs were also discussed.

     

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