Fig. 2: Synthesis and characterization of UiO-66(Hf) MOF-supported CuNi dual-atom catalysts through radiation-driven reduction strategy.

a The synthesis scheme of CuNi SAs UiO-66(Hf). b TEM and EDS mapping of CuNi SAs/UiO-66(Hf). Hf (blue), Cu (green), Ni (red).