fig7

Figure 7. (A) Schematic view for preparing amorphous catalysts by one-step co-precipitation strategy; (B) AC-HAADF-STEM image of the a-RNMO sample. Figure 7A and B is Reprinted with permission from^[53]. Copyright 2025, Springer Nature; (C) Schematic depiction of the fabrication of AeZrO₂ and the subsequent loading of Pt single atoms. Reprinted with permission from^[86]. Copyright 2022, Elsevier; (D) Schematic diagram of the synthetic procedure for Pt/TiB_xO_y. Reprinted with permission from^[51]. Copyright 2022, American Chemical Society. PVP: Polyvinyl pyrrolidone; AC-HAADF-STEM: aberration-corrected high-angle annular dark-field scanning transmission electron microscopy; a-RNMO: Ru single atoms onto amorphous NiMoO.