Size Dependent Plasmonics of Chemically Grown Silver Nanoparticles

Abstract

Research on silver nanoparticles (Ag NPs) bases plasmonics is strong interest due to diverse applications within the fields of nanophotonics, biosensing and different branches of science. Here, we investigate the size dependent surface Plasmon resonance (SPR) peak of Ag NPs. In this study we synthesized different size Silver nanoparticles (Ag NPs) under different growth condition. We characterized them by UV-VIS spectroscopy and TEM analysis. The surface Plasmon resonance peaks of the Ag NPs are different for different Ag NPs and the solution color depends on the size of the Ag NPs. We observe four different color for four different sizes Ag NPs. The size of the nanoparticles is measured by TEM measurements.