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The nickel-based nanoparticles such as nickel oxide, carbon coated nickel, carbon coated nickel carbide and their mixtures were synthesized by systematically varying the component of explosive precursors and technological parameters. The features of the as-obtained nanoparticles were characterized with TEM, HRTEM, EDX, XRD and XRF. The data from these optimally designed experimental can govern the different types of nickel-based nanoparticles. The formation mechanism during the detonation process were also discussed and analyzed.

Carbon-encapsulated iron-based alloy nanoparticles with a core-shell structure were prepared by detonation decomposition of nitrate complex explosives containing multi-metallic ions. The size and magnetic properties of the as-prepared composite particles were revealed by X-ray powder diffraction, transmission electron microscopy, energy dispersive X-ray detector and magnetic measurements. Results showed that the different sizes of the ferronickel and ferrocobalt nanocrystal core and the thickness of the carbon shell could be yielded by adjusting the component materials of the explosives. The composite particles had a gamma- or alpha- ferronickel or bcc-ferrocobalt nanocrystal core with a coating of graphitic carbon layers. Magnetic measurements indicated these composite nanoparticles were superparamagnetism at the room temperature, with some variation in the values of saturation magnetization, remanences and coercive forces.

Carbon-coated copper (Cu@C) nanoparticles with a core–shell structure were prepared by detonation decomposition of energetic Cu ion doped sol–gel explosive precursors. The composite nanoparticles were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy (TEM), high resolution TEM, energy dispersive X-ray spectroscopy, and Raman spectroscopy, respectively. The results indicate that the as-obtained core–shell structure Cu@C nanoparticles are with diameter about 10–40 nm. The composite nanoparticles are composed of face-centered cubic-Cu and the amorphous/graphitic carbon coating shells. The thermal stability of the obtained samples was studied by a difference scanning calorimetry–thermogravimetric analyzer. By varying the composition of initial mixtures that contain Cu ion explosive precursors, the different size and chemical composition of composite nanoparticles are shown in this study. The growth mechanism of Cu@C was also briefly discussed.

A new strategy was applied to effectively synthesize spherical core shell structural graphite-coated iron (Fe@G) composite nanoparticles, which were characterized by XRD, TEM, EDX, SAED and XPS.

The graphite-coated copper nanoparticles were synthesized by the detonation decomposition of a copper-doped emulsion explosive and their structure and chemical composition were characterized by TEM, HRTEM, EDX and XRD analysis.