Fig. 4 | Nature Communications

Fig. 4

From: Identifying the structure of Zn-N2 active sites and structural activation

Fig. 4

Structural characterization of ZnNC by atomic resolution scanning transmission electron microscopy (STEM). a, b Low-resolution STEM and element mapping images of ZnNC. c, d Atomic resolution STEM image of ZnNC. The Zn single atoms indexed with cyan blue square, confirming that the Zn single atoms are located on the edge of the nitrogenated carbon matrixes. Scale bar: a 200 nm; b 10 nm; c, d 1 nm

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