Structural and Optical Studies of Cadmium Sulfide Quantum Dot-Graphene Oxide-Chitosan Nanocomposite Thin Film as a Novel SPR Spectroscopy Active Layer

Figure 12

SPR curves of the active layer in contact with deionized water with 0.01 ppm, 0.1 ppm, 1 ppm, and 10 ppm cobalt ion.