Figure 3.

UV-vis spectra of the ISS process of the AgNPs. UV-vis spectra of the ISS process of the AgNPs for different number of L/R cycles (1, 2, 3, and 4 L/R) at pH 9.0 (solid lines) and 4 L/R cycles at pH 7.0 (dash line).

UV-vis spectra of the ISS process of the AgNPs. UV-vis spectra of the ISS process of the AgNPs for different number of L/R cycles (1, 2, 3, and 4 L/R) at pH 9.0 (solid lines) and 4 L/R cycles at pH 7.0 (dash line).