Figure 1.
Biosynthesis of palladium nanoclusters (PdNCs): (a) Erigeron canadensis L.; (b) UV/Vis spectra of the leaf extract, palladium chloride, and biosynthesis of PdNCs; (c) Absorbance at 400 nm as a function of time; (d) The impact of incubation time on the color of reaction mixture (LE: leaf extract).