Figure 1From: SERS active silver nanoparticles synthesized by inkjet printing on mesoporous siliconAg nanoparticles pattern on porous silicon. FESEM image of a patterned sample. The inset shows the effect of the inkjet step size on the uniformity of the stripes: (1) 130 dpi, (2) 260 dpi, (3) 1,000 dpi and (4) 1,300 dpi.Back to article page