TEM images of samples obtained at different stages of two syntheses, where the same amount of seeds (spherical, 50 μL, and 1.1×1012 particles/mL) was used, but AgNO3 solutions of two different concentrations were used: (A, I) 10 min, (B, J) 20 min, (C, K) 40 min, (D, L) 1 h, (E, M) 2 h, (F, N) 3 h, (G, O) 4 h, and (H, P) 5 h.