Table 4 Raman spectroscopy results for rGO-HA nano-structured powders.
Bond | Raman shift (cm−1) | Related materials |
|---|---|---|
v1 PO43- (P-O), symmetric stretching peaks | 962 | Related to HA |
D bond, related to the symmetric oscillations of the A1g of carbon atoms with the sp3 hybrid | 1350 | Related to graphene sheets |
G bond, related to the shaking of the E2g of carbon atoms phonon with the sp2 hybrid | 1600 | Related to graphene sheets |
2D peak, related to the number of layers of the graphene sheets | 2700 | Related to graphene sheets |
