Fig. 2: Atomic structural analysis of CuN4/CoN4@NC.
From: Atomic design of dual-metal hetero-single-atoms for high-efficiency synthesis of natural flavones
a Cu K-edge XANES spectra, b Fourier-transformed (FT) k3-weighted EXAFS spectra for the Cu K-edge, c Cu K-edge EXAFS fitting curves of CuN4/CoN4@NC and Cu-ZIF-8 in R space (inset: model of CuN4 sites), d–h Wavelet-transformed k3-weighted EXAFS spectra. i Co K-edge XANES spectra, j FT k3-weighted EXAFS spectra for the Co K-edge, k Co K-edge EXAFS fitting curves of CuN4/CoN4@NC and Co-Ph in R space (inset: model of CoN4 sites), l–p Wavelet-transformed k3-weighted EXAFS spectra.
