Research Article

A Simple Approach to Engineer SERS Substrates and Plasmonic Thin Film

Figure 9

AFM topographic images (size of each image is 2.5 µm × 2.5 µm) of silver nanocubes monolayer recorded at different annealing times ((1) before annealing, (2) after 12 hrs, (3) after 43 hrs, (4) after 85 hrs, and (5) after 221 hrs).
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