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. 2021 Apr 30;6(12):4389–4401. doi: 10.1016/j.bioactmat.2021.04.024

Fig. 2.

Fig. 2

Structure characterization of Cu SASs/NPC and NPC. N2 absorption and desorption curves and pore size distributions for (a) NPC and (b) Cu SASs/NPC. (c) Raman spectra of NPC (black curve) and Cu SASs/NPC (blue curve). (d) N 1s spectra of NPC and Cu SASs/NPC. (e) XANES spectrum of Cu SASs/NPC and reference samples. (f) Fourier transform (FT) k [3]-weighted Cu K-edge EXAFS oscillation spectra of Cu SASs/NPC and reference samples. (g) EXAFS fitting result of Cu SASs/NPC at k space. (h) EXAFS fitting result of Cu SASs/NPC in R space. (i) Schematic model of atomic level structure for Cu SASs/NPC.