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. 2021 Aug 10;6(33):21194–21206. doi: 10.1021/acsomega.0c05395

Figure 1.

Figure 1

Figure 1

SEM images of (a) GO, (b) SGO, (c) Fe3O4 (left), SMGO, (right), and (d) MGO at different magnifications. XRD patterns of (e) pristine graphite powder, GO, SGO, MGO, and SMGO. Schematic representations of the synthesis of (f) MGO, (g) SGO, and (h) SMGO.