Figure 6.
Strategies to synthesize SACs with external metal SAs
(A) Schematic diagram of the synthesis and dispersion process of SACs by the high-temperature shockwave.
(B) In situ STEM images of the representative Pt SACs from room temperature up to 1273 K.
(A and B) Reproduced with permission.32 Copyright 2019, Nature Publishing Group.
(C) Schematic diagram of SACs formation by the mechanochemical abrasion.
(D) The radial distribution functions of the as-prepared Fe-N-C, Co-N-C, Ni-N-C, and Cu-N-C catalysts.
(C and D) Reproduced with permission.16 Copyright 2022, Nature Publishing Group.