Photogenerating Silver Nanoparticles and Polymer Nanocomposites by Direct Activation in the Near Infrared

Figure 4

Time evolution of absorption spectra of the samples upon irradiation at 800 nm and using S1 (a) without silver cations, (b) with silver cations, incident light power 200 mW/cm², and (c) with silver cations, incident light power 300 mW/cm². Time irradiation 360 s.