Figure 7

SEM images of AgNPs (AgNPs was synthesized under the optimal conditions at 28 °C in the dark for 6d, Ag+ concentration is 10 mM, and adjust the pH of HX-YS treated AgNPs solutions to 6.0, LPP-12Y is 5.0) [(a) AgNPs synthesized by HX-YS; (b) AgNPs synthesized by LPP-12].