Fig. 2: Structural characterization of Cu-GCN.
From: Copper single-atoms embedded in 2D graphitic carbon nitride for the CO2 reduction

a XRD diffraction patterns of 2D GCN and Cu-GCN(20); and b not phase shift corrected FT EXAFS spectra, and corresponding fit, for Cu-GCN(20). The FT EXAFS spectra for the samples used as reference have been included in (b) for comparison.