Abstract
Green synthesis of metal nano particles is an emerging branch of nanotechnology, very cost effective, eco-friendly, thus, can be an economic and efficient alternative for the large-scale synthesis of nano particles. This study focuses on the bio synthesis property of Peanut (Arachis hypogaea L.) leaf extract in the synthesis of silver nano particles at room temperature without using any harmful reducing agents and its antibacterial activity. Characterization of synthesized silver nano particles was made using UV-Vis, SEM, XRD and FT-IR studies. The average particle sizes ranged from 7 - 8nm. Synthesised silver nano particles made a coating on glass substrates and morphological properties were characterized by SEM. Antibacterial activity of silver nano particles was analysed with various pathogens like Klebsiella pneumoniae, Pseudomonas sp, proteus sp and Escherichia coli. Agriculture wastes of its leaves were utilised in the synthesis of silver nano particles. Our results suggest that Arachis hypogaea L. mediated silver nano particles that could act as an effective antibacterial agent in development of antibacterial control systems in water treatment, medicine and industries in future. Silver nano coating on the different glass substrate possesses different colour & morphological property that could support the modern coating techniques in the industries.
Keywords: Arachis hypogaea L., Bio synthesis, Nano coating, Nano particles
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