fig6

Figure 6. Amorphous substrates-assisted multi-component synergy and electronic structure optimization: (A) Representative atomic configurations after H*adsorption at the surface sites of MoP/MoP₂, MoP/MoO₂, MoP₂/MoO₂, Fe@MoO₂-1, and Fe@MoO₂-2, with corresponding ΔG_H*. Reproduced with permission from Ref.^[106] Copyright 2022, Springer Nature. (B) Atomic ratio of O/Ti on Ir₁O₆ after different etching times. (C) Atomic ratio of O/Ti on Ir₁O₄ after different etching times. Reproduced with permission from Ref.^[108] Copyright 2024, American Chemical Society. (D) Electron transfer diagram of Pt/TiB_xO_y. Reproduced with permission from Ref.^[109] Copyright 2022, American Chemical Society. (E) Schematic representations of the electronic coupling among Co-O-Ni-O-Ru-O-Co unit in amorphous and crystalline SACs. Reproduced with permission from Ref.^[20] Copyright 2022, Wiley-VCH. (F) PODS of MoO₃, a-MoO₃, and Sb₁/a-MoO₃. Reproduced with permission from Ref^[113]. Copyright 2023, American Chemical Society.