Figure 3.

AFM image of Ag nanoparticles:a350 × 350 nm image of silver nanoparticles filter with 5.5 nm size selected andbprofile of silver nanoparticles by AFM

Gracia-Pinilla et al. Nanoscale Research Letters 2009 4:896-902   doi:10.1007/s11671-009-9328-4