Figure 2

The pre-contoured shapes.
The SEM images of PdCu NWs arrays with the shapes of (a) periodic-gapped shapes; The TEM images with (b) smooth, (c) random-chapped and (d–e) periodic-gapped shapes. The scale bars are all 100 nm.
The pre-contoured shapes.
The SEM images of PdCu NWs arrays with the shapes of (a) periodic-gapped shapes; The TEM images with (b) smooth, (c) random-chapped and (d–e) periodic-gapped shapes. The scale bars are all 100 nm.