Figure 1From: Photoluminescence enhancement of quantum dots on Ag nanoneedlesSEM images of Ag-nNDLs at × 50,000 (A) and × 150,000 (B). Topographical AFM images of Ag films: (C) smooth Ag substrate and (D) rough Ag-nNDLs. Insets show the depth profiles along each line.Back to article page