Preparation and Progress in Application of Gold Nanorods

Figure 8

SEM images of vertically aligned gold nanorods (a) and randomly aggregated gold nanorods (b). (c) 10^-6 M methyl blue as a molecular probe is a comparison of SERS activity between vertically aligned and randomly polymerized gold nanorods and pure Si substrates [57].

(a)

(b)

(c)