(A) Fourier transforms of k³-weighted EXAFS oscillations obtained at the Cu K-edge. (B) XPS spectra in Cu 2p_3/2 for CuCo-Al₂O₃ and OH-CCN/CuCo-Al₂O₃. (C) EPR spectra of all of the fresh solid samples. (D) Degradation of BPA in various suspensions with H₂O₂ and TOC removal during the degradation of BPA in various suspensions. (E) The structure and two-dimensional valence-electron density color-filled maps of carbon-doped g-C₃N₄ growing on the surface of Cu-doped g-Al₂O₃ through the connection of C-O-Cu: the valence-electron density map in the Cu-O1-C1 plane, O1-C1-C2 plane and O1-C1-N1 plane. (F) BMPO spin-trapping EPR spectra for HO₂^•/O₂^•− and ^•OH in various methanol dispersions without H₂O₂. Adapted with permission from ref. [8], Copyright©2017, The Royal Society of Chemistry.