Optical and biomedical applications of eco-friendly biosynthesized silver nano spheres using zingiber officinale root extract (original) (raw)

Nano Express, 2020

Abstract

Eco-friendly bio-compatible silver nanoparticles (Ag NPs) were successfully synthesized using Zingiber officinale extract in a simple green route at room temperature. The phytoconstituents present in Zingiber officinale (Z. officinale) extract act as reducing and stabilizing agents. The size and crystallinity of spherical Ag NPs were confirmed through transmission electron microscopy (TEM) and X-ray diffraction (XRD) studies. The formation of silver nanoparticles was also confirmed from the UV–vis and FTIR spectra. Luminescence properties of europium (Eu) and samarium (Sm) complexes in the presence of silver were studied. The intensity of luminescence from Eu and Sm complexes were found to get enhanced or quenched with their concentrations in Ag NPs. Interesting nonlinear optical properties exhibited by Ag NPs were observed in the Z-scan experiment suggesting that they can be used as optical limiters for the picosecond (ps) time scale green laser. Silver nanoparticles were tested ag...

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