Novel Fe3O4@SiO2@Ag@Ni trepang-like nanocomposites: High-efficiency and magnetic recyclable catalysts for organic dye degradation |
XRD patterns of the synthesized (a) Fe2O3 nanorods, (b) Fe3O4@SiO2 nanorods, and (c) Fe3O4@SiO2@Ag@Ni trepang-like nanocomposites. |