Figure 5.

FE-SEM images of bulk MoS2 (A,B), pure Fe3O4NPs (C), MoS2@Fe3O4 NPs (D,E), and MoS2@Fe3O4NPs after chromium adsorption (F).

FE-SEM images of bulk MoS2 (A,B), pure Fe3O4NPs (C), MoS2@Fe3O4 NPs (D,E), and MoS2@Fe3O4NPs after chromium adsorption (F).