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Visible Light Assisted Silver Ion Reduction through Silver Diammine and Citrate Aggregation, and Silver Nanoparticle Formation

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Figure

Table 1Concentrations of silver ion ([Ag+]), citrate ([Citrate]) and ammonia ([NH3]) and light irradiation condition in the present study.Those reported for silver nanoparticle formation by others are also listed for comparison
Fig. 3UV-vis absorption spectra of SC solutions prepared by irradiationwith cyan light (Eir = 2.46 eV) at different fluences; only the SCconcentration was varied and the NH3 concentration was kept constantat 132 mM
Fig. 5TEM images of nanoparticles formed at [SC] = 2.2 mM and[NH3] = 35 mM ([NH3]/[SC] = 16) after irradiation at ¯ = 42 J/cm2(the scale bars are 50 nm), and the edge-length distribution.
Fig. 6(a) Peak energy (Ehex) and (b) intensity of the predominant LSPRabsorption peak of hexagonal silver nanoplates (Abshex) as functions oflight-irradiation fluence (¯)
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