Fig. 2: Characterization of multi-shelled Co3O4 spheres and multi-bishelled CoO/Co9S8 spheres. | NPG Asia Materials

Fig. 2: Characterization of multi-shelled Co3O4 spheres and multi-bishelled CoO/Co9S8 spheres.

From: Constructing a multi-bishelled cobalt-based electrocatalyst for the oxygen evolution reaction in CO2 electrolysis

Fig. 2

a SEM image of the multi-shelled Co3O4 spheres. The yellow arrows represent the porous surface. b TEM image of the multi-shelled Co3O4 spheres. The dashed circles represent the multi-shelled structure. c Dark field scanning and d, e bright field TEM images of the multi-bishelled CoO/Co9S8 spheres. f High-resolution TEM image of the multi-bishelled CoO/Co9S8 spheres.

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