Fig. 7From: A Ternary Magnetic Recyclable ZnO/Fe3O4/g-C3N4 Composite Photocatalyst for Efficient Photodegradation of Monoazo DyeTransient photocurrent response (a) and EIS plots (b) ZnO, g-C3N4, and ZnO/Fe3O4/g-C3N4-50% under visible-light irradiationBack to article page