Fig. 4From: A Ternary Magnetic Recyclable ZnO/Fe3O4/g-C3N4 Composite Photocatalyst for Efficient Photodegradation of Monoazo DyeXPS spectra of the synthesized ZnO/Fe3O4/g-C3N4-50%: a survey of the sample, b C 1s, c N 1s, d O1s, e Zn 2p, and f Fe 2pBack to article page