Fig. 1: Schematic illustration of the synthetic process for generating the Co-S-Se spheres. | NPG Asia Materials

Fig. 1: Schematic illustration of the synthetic process for generating the Co-S-Se spheres.

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

Fig. 1

(1) Multi-shelled Co3O4 spheres were transformed into multi-bishelled CoO/Co9S8 spheres via a mild solution-based sulfurization process. (2) The multi-bishelled Co-S-Se spheres were further prepared by depositing ultrafine Co9Se8 nanoparticles on the CoO/Co9S8 spheres via a selenization process.

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