Fig. 1: Synthesis and characterizations of TeN2–CuN3 DAC. | Nature Communications

Fig. 1: Synthesis and characterizations of TeN2–CuN3 DAC.

From: Constructing asymmetric double-atomic sites for synergistic catalysis of electrochemical CO2 reduction

Fig. 1

a Schematic illustration for the synthesis of TeN2–CuN3 DAC. b–e TEM images for Te nanowires (b), core–sheath structure of Te@ZIF-8 (c), Te@ZIF-8 with Cu ions (d), and TeN2–CuN3 DAC (e). f HAADF-STEM image of TeN2–CuN3 DAC. g Typical spot pairs for TeN2–CuN3 DAC (top left), statistical analysis for double sites and single sites (top right), corresponding 3D intensity profiles of two pairs of DAC sites (bottom).

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