A Novel Fe₃O₄/Graphene Oxide Composite Prepared by Click Chemistry for High-Efficiency Removal of Congo Red from Water

Figure 7

The TGA curves of (a) the GO, (b) the GO-N₃, (c) the Fe₃O₄ nanoparticles, (d) the Fe₃O₄-C≡C nanoparticles, and (e) the MGO composite.