fig10
Figure 10. Operando XPS spectra (A) O 1s and (B) Cs 3d of CBB(1.7)/d-BiOBr in both dark and visible light irradiation conditions. Reproduced with permission, Copyright 2022, American Chemical Society[178]. XPS: X-ray photoelectron spectroscopy; CBB: Cs3Bi2Br9;
