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. 2020 Jul 7;6(8):1431–1440. doi: 10.1021/acscentsci.0c00458

Figure 4.

Figure 4

The broad extension of the template transformation method. (a1–a4) TEM image, HR-HAADF-STEM image, STEM image and corresponding EDS elemental maps, and FT-EXAFS spectra of Co-N-Gr-H. (b1–b4) TEM image, HR-HAADF-STEM image, STEM image and corresponding EDS elemental maps, and FT-EXAFS spectra of Fe-N-Gr. (c1–c4) TEM image, HR-HAADF-STEM image, STEM image and corresponding EDS elemental maps, and FT-EXAFS spectra of Ni-N-Gr. (d1–d4) TEM image, HR-HAADF-STEM image, STEM image and corresponding EDS elemental maps, and FT-EXAFS spectra of Cu-N-Gr. Scale bars: 100 nm (a1, b1, cl, d1), 5 nm (a2, b2, c2, d2), 100 nm (a3, b3, c3, d3).