Data for: Facile Synthesis of Reduced Graphene Oxide/Silver Nanoparticles Composites and Their Application for Detecting Heavy Metal Ions
Description
Figure captions Fig. 1. FTIR spectra of GO and FGO Fig. 2. SEM images of GO and RGO/Ag NPs composites: (a) GO, (b) F2G, (c) F4G, (d) F6G and (e) F8G Fig. 3. The schematic graphic of the formation of Ag NPs and RGO/Ag NPs composites Fig. 4. The mapping of RGO/Ag NPs composites: (a) F2G, (b) F4G, (c) F6G and (d) F8G Fig. 5. TEM images of GO and RGO/Ag NPs composites: (a) GO, (b) F2G, (c) F4G, (d) F6G, (e) F8G, (f) the electron diffraction pattern of the RGO region in F8G, (g) low magnification of F8G and (h) high magnification of Ag NPs in F8G Fig. 6. Size distribution of Ag NPs in as-prepared RGO/Ag NPs composites: (a) F2G, (b) F4G, (c) F6G and (d) F8G Fig. 7. XRD patterns of GO, FGO, F2G, F4G, F6G and F8G Fig. 8. Raman spectra of GO, FGO, F2G, F4G, F6G and F8G Fig. 9. CV curves of FGO (a) and F8G (b) Fig. 10. CV curves of GO, FGO and F8G at the scan rate of 100 mV s-1 Fig. 11. CV curves of FGO obtained under different concentrations of Cu2+, Cd2+ and Hg2+ Fig. 12. CV curves of F8G obtained under different concentrations of Cu2+, Cd2+ and Hg2+ Fig. 13. Linear plot of CV curves area vis the logarithm concentration of Cu2+ Fig. 14. Linear plot of CV curves area vis the logarithm concentration of Cd2+ Fig. 15. Linear plot of CV curves area vis the logarithm concentration of Hg2+ Table captions Table 1 EDS results of RGO/Ag NPs composites Table 1 Comparison of some characteristics of the different electrodes for the detection of Cd2+, Cu2+ and Hg2+