Figure 1.

TEM images of the silver nanoparticles prepared with different amounts of NaBH4: a 800 μL, b 900 μL, c 1,000 μL, d 1,100 μL, e 1,200 μL, and f 1,300 μL. Scale bar is 100 nm.

Yu et al. Nanoscale Res Lett 2011 6:46   doi:10.1007/s11671-010-9808-6