fig2

Figure 2. (A) N K-edge XANES spectra of Ax-Cl-Cu/NC and Cu/NC, (B) N 1s XPS spectra, (C) Cl L-edge XANES spectra of Ax-Cl-Cu/NC, (D) Cu 2p XPS spectra of Ax-Cl-Cu/NC and Cu/NC, (E) Cu K-edge XANES spectra and (F) Wavelet transforms of k²-weighted XAFS spectra of CuO, Cu/NC, Ax-Cl-Cu/NC, Cu foil.