“Green” Synthesis of Metallic Nanoparticles by Sonoelectrochemical and Sonogalvanic Replacement Methods

Figure 3

TEM images of AgNPs synthesized in solution NaPA (5 g L-1) by cyclic voltammetric (during 20 cycles) without ultrasonic field (a) and in the ultrasonic field (b), t = 20°C. Reproduced from [41] under the terms of the Creative Commons CC BY license.

(a)

(b)