Fig. 6. (A–H) TEM images showing the morphology and branching evolution of AuNPs formed in the presence of (A) 0.77, (B) 0.92, (C) 1.07, (D) 1.34, (E) 1.97, (F) 2.63, (G) 3.49, and (H) 4.68 × 10−3 M ascorbic acid while keeping the concentrations of TX-100, HAuCl4, and AgNO3 under standard conditions. Scale bars are 200 nm (main) and 70 nm (inset). Reprinted with permission from ref. 78. Copyright © 2015 Wiley.
