fig4
![The recent progress of single-atom catalysts on amorphous substrates for electrocatalysis](https://image.oaes.cc/da1e0358-6a90-4d39-83d2-a611ab403c88/em4041.fig.4.jpg)
Figure 4. The impact of amorphous materials and synergistic monoatomic components on enhancing substance adsorption. STEM images of a-NiFeMo (A) and c-NiFeMo (B) after OER, respectively. Insets in (A and B) show corresponding EDX line scan profiles. (C)