Dual Role of a Ricinoleic Acid Derivative in the Aqueous Synthesis of Silver Nanoparticles

Figure 1

UV-Vis spectra of AgNPs produced with (a) 1.0 mM SEAR (red solid circles) and (b) 10.0 mM SEAR (black solid squares) recorded 5 min apart. (c) Evolution of absorbance at 408 nm. Inset. Magnification of the region between 0 min and 50 min. Other conditions: [Ag⁺] = 0.20 mM, [OH⁻] = 0.10 M, °C.

(a)

(b)

(c)