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. 2023 Jul 3;26(7):107275. doi: 10.1016/j.isci.2023.107275

Figure 9.

Figure 9

Strategies to synthesize SACs with intrinsic SAs

(A) Schematic illustration of the preparation of Co SAs/N-C catalyst.

(B) Sum of nine aligned HAADF-STEM images of Co SAs/N-C(800).

(C) Excess intensity of a1, b1, and c1 atoms shown in (B).

(A–C) Reproduced with permission.33 Copyright 2016, Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

(D) Schematic illustration of AIM-installed metal atoms undergoing metal exchange. (D) Reproduced with permission.121 Copyright 2016, American Chemical Society.

(E) Synthesis principles of Fe-doped ZIF-derived catalysts. (E) Reproduced with permission.122 Copyright 2017, American Chemical Society.