Green Synthesis of Antioxidant Silver and Platinum Nanoparticles Using Ginger and Turmeric Extracts and Investigation of Their Catalytic Activity

Abstract

Antioxidant silver nanoparticles (AgNPs) and platinum nanoparticles (PtNPs) were synthesizedby using ginger and turmeric extracts with green method in this work. Thus these nanoparticlessynthesized were characterized by UV-Vis spectroscopy, SEM-EDX and FTIR. The UV-Visible spectra ofthe AgNPs revealed a characteristic surface plasmon resonance peak at 420-425 nm and the UV-Visiblespectra of the PtNPs revealed a characteristic surface plasmon resonance peak at 234-240 nm. Thesynthesized AgNPs and PtNPs acted as a catalyst to the degradation of dyes (rhodamine B, methylorange, and methylene blue) with sodium borohydride (NaBH4). Green synthesized antioxidant silvernanoparticles effectively degraded the dyes nearly 4-10 min. and green synthesized antioxidant platinumnanoparticles effectively degraded the dyes nearly 15-24 min. of exposure time.