fig3

Figure 3. (A, B) Synthesis process (A) and Rh K-edge EXAFS fitting result (B) of Rh/NiFe-x[39]. Copyright 2021, Royal Society of Chemistry; (C, D) Synthesis process (C) and Ru K-edge EXAFS spectra of Ru/Ni3V-LDH with proposed model (D)[40]. Copyright 2022, American Chemical Society; (E, F) Synthesis process (E) and Au L3-edge EXAFS fitting results (F) of Au1-MgAl-LDH[41]. Copyright 2023, Wiley-VCH; (G, H) The synthesis process (G) and Pt L3-edge EXAFS spectra (H) of PtSA-NiCo-LDH/NF[42]. Copyright 2023, Elsevier. LDHs: Layered double hydroxides; EXAFS: Extended X-ray absorption fine structure; PtSA-NiCo-LDH/NF: Pt single-atom sites (PtO5) anchored NiCo-LDH supported by nickel foam.