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. 2018 Mar 28;8(22):12157–12164. doi: 10.1039/c8ra01577e

Fig. 5. (a) TEM image of NCNT, the red lines show metal catalyst on the tip of NCNTS. (b) HRTEM image of a typical carbon nanotubes and catalyst. (c) HRTEM images of the NCNTs, which shows the conjunction of Ni–Co, carbon nanotube, and graphene.

Fig. 5