Bromide-Assisted Anisotropic Growth of Gold Nanoparticles as Substrates for Surface-Enhanced Raman Scattering

Figure 3

SEM images showing results from gold nanoparticle synthesis with variances in the temperature at which the synthesis was performed. (a) 15°C bath, (b) room temperature, and (c) 45°C bath.

(a)

(b)

(c)