fig12

Figure 12. (A) Synthesis process of (CoCuZnMnNa)O_x HEOs; (B) TEM-EDX-mapping element mapping images of O, Co, Cu, Zn, Mn and Na of (CoCuZnMnNa)O_x HEOs; (CoCuZnMnNa)O_x HEOs for various Photoreaction synthesis results of sulfide (C) and benzimidazole cyclization reaction product (D); (E) (CoCuZnMnNa)O_x HEOs for oxidative coupling of thiophenol to diphenyl disulfide and benzimidazole ring chemical reaction mechanism. procreated with approval from^[91]. Copyright 2023, Royal Society of Chemistry. HEOs: High entropy oxides; TEM: transmission electron microscopy; EDX: energy dispersive X-ray spectroscopy.