Fig. 2: Structural features of Co/Co3O4/CoB. | Nature Communications

Fig. 2: Structural features of Co/Co3O4/CoB.

From: Boosted charge and proton transfer over ternary Co/Co3O4/CoB for electrochemical nitric oxide reduction to ammonia

Fig. 2

a XRD patterns of Co/Co3O4 and Co/Co3O4/CoB. b Co 2p3/2 XPS spectra of Co/Co3O4 and Co/Co3O4/CoB. c The charge density difference analysis for Co/Co3O4/CoB. Yellow and blue colors represent electron accumulation and depletion regions, respectively. The isosurface value is 0.004 e/Ã…3. d Co K-edge XANES spectra of Co/Co3O4, Co/Co3O4/CoB, Co foil, CoB, and Co3O4. e The FT-EXAFS spectra of Co/Co3O4, Co/Co3O4/CoB, Co foil, CoB, and Co3O4. f FT-EXAFS fitting curves for Co/Co3O4 and Co/Co3O4/CoB in R space. g WT contour plots of Co/Co3O4/CoB, Co foil, CoB, and Co3O4. Source data for Fig. 2 are provided as a Source Data file.

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