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. 2020 Feb 28;10(3):422. doi: 10.3390/nano10030422

Figure 2.

Figure 2

Characterization of AgNPs synthesized by C. gigantean in aqueous solution. (A) UV-vis absorption spectrum of synthesized AgNPs by a C. gigantean leaf extract incubated with silver nitrate (1 mM). The peak values are for the UV-vis plotted between AgNPs/absorbance ratios. The highest absorbance peak was at about 450 nm, corresponding to the plasmon resonance of AgNPs. (B) XRD spectrum recorded for AgNPs showed four distinct diffraction peaks at 38.18°, 44.35°, 64.4°, and 77.3° indexed 20(degree) values of (111), (200), (220), and (311) crystalline planes of cubic Ag.