A Biomedical Surface Enhanced Raman Scattering Substrate: Functionalized Three-Dimensional Porous Membrane Decorated with Silver Nanoparticles

Figure 3

Representative scanning electron microscopy images of the membrane: (a) silver nanoparticles reduced membrane; (b) magnification of (a); (c) X-ray energy dispersive spectroscopy of the rectangle in (b).

(a)

(b)

(c)