Research Article

Colorimetric Detection Based on Localized Surface Plasmon Resonance Optical Characteristics for Sensing of Mercury Using Green-Synthesized Silver Nanoparticles

Figure 7

(a) Photo of the green-synthesized AgNPs solution towards various alkali and alkaline metal ions, (b) UV-Vis absorbance of the AgNPs before and after adding 1 mL of different alkali and alkaline metal ions, and (c) absorption ratio (∆A) of AgNPs with different metal ions.
(a)
(b)
(c)