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Plant mediated green biosynthesis of silver nanoparticles using Vitex negundo L. extract
Mohsen Zargar,Kamyar Shameli,Gholam Reza Najafi,Farah Farahani 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.6
In the present study silver nanoparticles (Ag-NPs) were synthesized from aqueous silver nitrate througha biosynthetic route using water extract of Vitex negundo L. extract which acted as a reductant andstabilizer agents, simultaneously. Formations of Ag/V. negundo were determined by UV–vis spectroscopywhere surface plasmon absorption maxima can be observed at 423–432 nm. The XRD analysis showsthat the Ag-NPs are of face centered cubic structure. TEM images show the well dispersed of Ag-NPs withaverage particle size less than 20 nm. The FT-IR spectrum indicates the presence of V. negundo in cappingwith silver nanoparticles.