The Raman spectra of XGO and RGO reveal two prominent peaks at G band and D band.
It is clearly noticed that these two bands are broader in XGO than those in RGO, corresponding to higher disorder in XGO.
The sharpening of the G band and an increase in the peak intensity in RGOare due to the restoring sp2 domains and the
reestablished sp2 network after the reduction treatment in hot water [15, 16].
After baseline correction, the