Fig. 1: Synthesis principles and catalytic properties.
From: Synergistic aluminum dual-atom sites and nickel nanoclusters for acetylene selective hydrogenation

a Schematic illustration of the synthesis of the Al2-NiNC/NCNT synergistic catalyst (grey: C; blue: N; yellow: Al; light blue: Ni). b XRD patterns; Aberration-corrected HAADF-STEM images of (c) Al2/NCNT (d) Al2-NiNC/NCNT (e) Al1/NCNT.