Research Article

Plasmonic Properties of Vertically Aligned Nanowire Arrays

Figure 2

SEM images of short ZnO NWs as grown (a) and after silver coating on ZnO NWs surface (b); surface-enhanced Raman spectra (c) on silver-coated NWs at patterned area (red line 1), random area (blue line 2), and no NWs area (brown line 3) microscope image of SERS measurement sample (d).
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