Figure 2.

a) TEM and b) HR‐TEM images of the TNO. c,d) TEM and e) HR‐TEM images of the TNO_{− x} @N‐G. f) SADE patterns of the TNO_{− x} @N‐G. g) High‐angle annular dark‐field image and corresponding elemental mapping of the TNO_{− x} @N‐G.