Fig. 4From: Facile Synthesis of Heterostructured WS2/Bi2MoO6 as High-Performance Visible-Light-Driven PhotocatalystsSurvey XPS spectra of the WS2/Bi2MoO6 composite (a) and the high-resolution XPS spectra of Bi 4f (b), Mo 3d (c), O 1 s (d), W 4f (e), and S 2p (f) from Bi2MoO6, WS2, and the WS2/Bi2MoO6 composite (5 wt%)Back to article page