Figure 3.

Physical characterization of the Ag-NPs.

Notes: (A) UV–Vis spectra of Acacia rigidula extract and Ag-NPs biosynthesized. (B) FT-IR spectra of A. rigidula extract. (C) FT-IR of Ag-NPs synthesized by the A. rigidula extract. The band and peaks are labeled as follows: 1) 3,419, 2) 2,929, 3) 2,854, 4) 1,614, 5) 1,517, 6) 1,447, 7) 1,384, 8) 1,285, 9) 1,250, 10) 1,114, 11) 1,068, 12) 894, 13) 823, 14) 767, and 15) 689 cm⁻¹.

Abbreviations: Ag-NPs, silver nanoparticles; FT-IR, Fourier transform infrared; UV–Vis, ultraviolet–visible.