CdS/Bi₁₂O₁₇Cl₂ Heterostructure Promotes Visible-Light-Driven Photocatalytic CH₄ Generation and Phenol Conversion

Figure 3

XPS spectra of Bi 4f (a), O 1s (b), Cl 2p (c), S 2p (d), and Cd 3d (e).

(a)

(b)

(c)

(d)

(e)