Fig. 2: Morphology, microstructure, and chemical compositions of 20.0N.

a TEM image and b HRTEM image of 20.0N. Atomic-resolution HAADF-STEM images of c NiPS3 UNSs and d CdS NPs in 20.0N. e EDX spectrum of 20.0N. f EELS spectrum of Ni L2,3 edge for 20.0N. g HAADF-STEM image of 20.0N and the corresponding elemental mapping images of h Cd, i S, j Ni and k P elements in 20.0N.