Effect of Etching on the Optical, Morphological Properties of Ag Thin Films for SERS Active Substrates
Figure 5
SERS spectrum of Rhodamine 6G absorbed on Ag film, (a) Rhodamine 6G ( M), (b) (Rhodamine 6G + Ag films) before etching, and (c) (Rhodamine 6G + Ag films) after etching.