Green, rapid and facile synthesis of silver nanoparticles using extract of stachys lavandulifolia vahl and Study of the effect of temperature, time, concentration and pH parameters.

Today, nanotechnology is widely used in Science and technology are growing rapidly. Nanoparticles synthesized with the help of plant extracts, due to the lack of use of external chemical agents, can have fewer side effects in medical applications.In this article, we synthesize silver nanoparticles (AgNPs) using the aqueous extract of Stachys lavandulifolia vahl. Plant extract in the synthesis of nanoparticles acts as a reducing and stabilizing agent and can also have fewer side effects in medical use and is environmentally friendly. The average size of nanosilver synthesized by this method is ۶۸-۶۹ nm and factors such as temperature, concentration, pH and time were investigated to optimize the reaction. Formation of silver nanoparticles was confirmed by UV–Vis spectroscopy, Energy Dispersive Spectroscopy (EDS) analysis , X-ray diffraction (XRD) and Field Emission Scanning Electron Microscopy (FESEM)

Keywords:

Stachys lavandulifolia vahl , Green synthesis , Silver nanoparticles , Biosynthesis