Figure 1
Schematic representation of the radial NW structure and scanning electron microcope images of NWs studied in this work. (a) Sketch and side view SEM images for sample 1 with large bending radius. (b) Sketch and side view (left) and top view (right) SEM images for sample 2 with smaller bending radius. Side view SEM images in (a) and (b) are recorded under a tilt angle of 30° with respect to the surface normal. |