Fig. 2: Morphological and structural characterizations.

SEM images of a, d MoS2, b, e NiMoS, c, f NiMoOx/NiMoS. g–j Elemental mapping images of NiMoOx/NiMoS. Scale bar, a–c 5 μm; d–f 1 μm; g–j 10 μm.
SEM images of a, d MoS2, b, e NiMoS, c, f NiMoOx/NiMoS. g–j Elemental mapping images of NiMoOx/NiMoS. Scale bar, a–c 5 μm; d–f 1 μm; g–j 10 μm.