Figure 1From: Morphology and composition controlled synthesis of flower-like silver nanostructuresSEM images of the flower-like Ag nanostructures. SEM images of the flower-like Ag nanostructures prepared with PVP and different amounts of catalyzing agent NH3•3H2O: (A) 200 μL, (B) 400 μL, (C) 600 μL, and (D) 800 μL.Back to article page