fig10

Figure 10. (A) Schematic of N-doped ZnS formation via precipitation and nitridation in NH₃; (B) Photocatalytic H₂ production with 10 vol.% methanol as an electron donor; (C) XPS spectra of N 1s for N-doped ZnS; (D) Vis absorption spectra; (E) Valence-band XPS and (F) Mott-Schottky plots of pristine and N-doped ZnS; Calculated electronic band structure (left) and projected density of states (right) for pristine ZnS (G and H) and N-doped ZnS (I and J). Copyright 2022, Elsevier^[78]. ZnS: Zinc sulfide; XPS: X-ray photoelectron spectroscopy; Vis: visible.