Fig. 2

SEM images of silver nanoparticles taken at different magnifications in increasing order from (a) → (f). Images (a), (b) and (c) show the aggregation of the nanoparticles. Image (d) shows a uniform distribution.
SEM images of silver nanoparticles taken at different magnifications in increasing order from (a) → (f). Images (a), (b) and (c) show the aggregation of the nanoparticles. Image (d) shows a uniform distribution.