Figure 1

Morphology and lattice structure of Pd concave nanocubes (PdCNs).

(A) SEM images of the PdCNs. (B) TEM image of PdCNs. (C) 3D model of high-index (730) facets. (D1, D3) high resolution bright-field TEM images of single PdCN. (D2) 3D model of PdCNs. (D4) selected area electron diffraction (SAED) pattern of PdCNs.