fig7
Figure 7. (A) VBXPS; and (B) band alignment for ZnS and ZnS0.95F0.05. KPFM potential images in the dark and under illumination, plot of the surface potential measured in the dark and under illumination for (C) ZnS and (D). Copyright 2024, Elsevier[50]. VBXPS: Valence band X-ray photoeletron spectroscopy; ZnS: Zinc sulfide; KPFM: Kelvin probe force microscopy.
