Fig. 3From: Concentration Effect of Reducing Agents on Green Synthesis of Gold Nanoparticles: Size, Morphology, and Growth MechanismUV-visible spectra of AuNPs. The final concentrations of caffeic acid are a 0.008, b 0.04, c 0.08, d 0.12, e 0.16, f 0.2, g 0.24, h 0.28, i 0.4, j 0.48, and k 0.56 mMBack to article page