Fig. 5

Atomic dispersion of supported Ir and Pt NPs. a The HRTEM image of Ir/AC; b the HAADF-STEM image of Ir1/AC; c comparison of the experimental (solid line) and fitted (dashed line) curve of k2-weight EXAFS spectra of Ir1/AC catalyst. d The HRTEM image of Pt/AC; e the HAADF-STEM image of Pt1/AC; f comparison of the experimental (solid line) and fitted (dashed line) curve of k2-weight EXAFS spectra of Pt1/AC catalyst