Fig. 2: Crystal structure characterizations of biocatalytic heterojunctions. | Nature Communications

Fig. 2: Crystal structure characterizations of biocatalytic heterojunctions.

From: Electron-donable heterojunctions with synergetic Ru-Cu pair sites for biocatalytic microenvironment modulations in inflammatory mandible defects

Fig. 2

a Schematic preparation processes for Ru-Cu/EDHJ and Ru-O/EDHJ. b XRD spectra of Ru-Cu/EDHJ and Ru-O/EDHJ. The atomic structure difference of (c) Ru-Cu/EDHJ and (d) Ru-O/EDHJ. Atomic color coding in the structure: Ru, yellow; Cu, blue; Ce, gray; and O, pink. Atomic-scale HAADF-STEM images of (e–g) Ru-Cu/EDHJ and (i–k) Ru-O/EDHJ, atomically dispersed Ru atoms are marked in (g, k) by yellow circles. Elemental mapping of (h) Ru-Cu/EDHJ and (l) Ru-O/EDHJ. The high-resolution XPS of (m) Ru 3p, (n) Cu 2p, Cu LMM, and (o) Ce 3d of Ru-Cu/EDHJ and Ru-O/EDHJ. Experiments were repeated independently (e, f, g, h, i, j, k, l) three times with similar results. In (b, m, n, o), a.u. indicates the arbitrary units. In (n), sat. indicates the satellite peaks. In (o), at% indicates the atomic percent. Source data are provided as a Source Data file.

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