Diameter- and Shape-Controlled ZnS/Si Nanocables and Si Nanotubes
for SERS and Photocatalytic Applications
Figure 1
(a) and (b) An SEM image and EDS spectrum of the ZnS nanowires obtained after the first deposition step; (c) and (d) an SEM image and EDS spectrum of the ZnS/Si nanocables after deposition of Si onto the ZnS nanowires; (e) and (f) an SEM image and EDS spectrum of the Si nanotubes obtained by chemical etching of the sample in Figure 1(c); Inset in Figure 1(e), an enlarged SEM image showing the open-ended tubular structures.
