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Author(s): Pradnya H. Pawar, Sharmila R. Chaudhari

Email(s): Email ID Not Available

DOI: 10.5958/0974-4150.2017.00109.2   

Address: Pradnya H. Pawar1, Sharmila R. Chaudhari2
1Asst. Prof. of Physics, Sinhgad Academy of Engineering, Kondhawa, Pune (M.S.), India
2Department of Physics, PDEA’s Baburaoji Gholap College, Sangvi, Pune, (M.S.), India
*Corresponding Author

Published In:   Volume - 10,      Issue - 5,     Year - 2017

Bio-directed synthesis of nano particles is of immense interest to research community, especially in the search of eco-friendly methods for material synthesis. Bio-directed synthesis of metal nano particles has been undertaken by many group of scientists using plants, fungi and bacteria, This is a work on a use of green synthetic route for the synthesis of Ag metal nano particles using tulsi (Ocimum tenuiflorum) extract. By suitably adjusting the concentration of AgNO3 (precursor) and tulsi extract in aqueous solutions, colloidal dispersions having a larger propensity of either anisotropic or oblongated spherical nano crystals were obtained at room temperature. The nano particles obtained were characterized by UV–visible spectroscopy, XRD, FTIR, high-resolution SEM etc. The nano particles obtained have a size of 70-80 nm as shown by SEM and other characterization tools. The Surface Plasmon Resonance absorption maximum (SPR) is in tandem with that for Ag nanoparticles formation as reported by earlier researcher. The slight red shift in SPR from 398 nm for Ag nanoparticles witnessed need to be attributed to increase in particle size. The SEM image shows more or less uniform particle size, smooth surface morphology, and oblongated particles of the synthesized Ag nanoparticles. The particle size distribution and average particle size diameter is in tandem with results obtained from the other characterization tools. In the present work a green pathway using tulsi (Ocimum tenuiflorum) extract for synthesizing Ag nanoparticles with glucose as a capping agent is developed which is followed by characterization of so synthesized Ag metal nanoparticles.

Cite this article:
Pradnya H. Pawar, Sharmila R. Chaudhari. Size controlled Bio-directed synthesis of Ag Metal Nanoparticles using Tulsi (Ocimum tenuiflorum) leaves extract. Asian J. Research Chem. 2017; 10(5): 646-650. doi: 10.5958/0974-4150.2017.00109.2

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