... represented the recombination between the elec-trons in the conduction band and the redox ions of the electrolyte. As an example, Figure 6b shows the curves of dark density vs. the applied potential ... Eindhoven, Nether-land). The mapping and crystal distribution of the sam-ples were done using a scanning transmission elec tronmicroscope (TEM) (Tecnai G2 F30, FEI Company Eind-hoven, Netherland) ... sunlight. In addition, the absorbance increases with the increase in the cycles of Ag2S deposition, resulting from an increasedamount of Ag2S nanoparticles.For the performan ce comparison of as-prepared...