Skip to main content
. Author manuscript; available in PMC: 2020 Aug 13.
Published in final edited form as: Appl Surf Sci. 2019;471:8–17. doi: 10.1016/j.apsusc.2018.11.240

Fig. 5.

Fig. 5.

(a) X-ray photoelectron spectra survey scans of rGO before and after Cd(II) adsorption, and XPS spectra of (b) C1s, (c) O1s, and (d) Cd3d for rGO before and after Cd(II) adsorption.