fig4
From: Multi-functional engineering of rare earth-based catalysts for high-efficiency water splitting
Figure 4. (A) Schematic illustration of the synthesis of Rh3RE alloys on Ketjen black. This figure is quoted with permission from Zhang et al.[67]; (B) Schematic illustration of the synthesis of Pt3-xIrxSc alloys on graphene. This figure is quoted with permission from Zhang et al.[68]; (C) Schematic diagram for the synthesis of the PdCeMoCuRu HEA. This figure is quoted with permission from Zhang et al.[64]. OPDA: o-Phenylenediamine; HEA: high-entropy alloy; NC: nanocrystal; RE: rare earth.



