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. 2017 Sep 27;17(10):2216. doi: 10.3390/s17102216

Figure 2.

Figure 2

Characterization of Co3O4 nanoparticles by TEM: (a) typical ED patterns of the Co3O4 along main crystallographic zone axes 1¯12 and [011]; (b) bright field low magnification TEM image; (c) particle size distribution calculated from TEM images; (d) energy-dispersive X-ray spectroscopy (EDX) elemental maps of Co (red), O (green) and their mixture.