Fig. 1

Schematic diagram of synthesis ternary composite (CZG): Synthesis of (a) GO, (b) CQDs, (c) ZnFe2O4 and (d) GO/ZnFe2O4/CQDs
Schematic diagram of synthesis ternary composite (CZG): Synthesis of (a) GO, (b) CQDs, (c) ZnFe2O4 and (d) GO/ZnFe2O4/CQDs