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In the present research, silver nanoparticles were synthesized using ground nutshell and characterized using UV-visible, FTIR and PXRD. The SEM and HR-TEM aided in confirming the nano size, surface morphology and phase purity of the AgNPs. The quantum chemical, electrochemical, and structural studies were carried out to understand electrochemical properties. In addition, biological study such as anti-cancerous activity was carried out, and IC-50 values 80.25 µg/mL for A549 lung cancer cell lines. The effective electrochemical anti-corrosion activities were also studied. The majority constituents of ground nutshell are flavonoids, in a small quantity of alkaloids and phenolic acids, which provide more stability to synthesize silver nanoparticles and avoid agglomeration. These functional moieties enhance the unique properties in the field, as in drug delivery systems, magnetic applications, and metallic, semi-conducting core-shell nanoparticles.

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The motto of the work investigates the synthesis of silver nano-particles by simple and economic green synthesis. With aid of citrus fruit that is lemon peel extract under different conditions, Characterization of silver nano-particles was carried out by using ultra-violet visible spectroscopy, X-ray diffraction, Fourier transferred infrared spectroscopy. The antimicrobial activities of synthesized silver nano particles (AgNPs) characterized by well diffusion method (WDM). Lemon peel extract mediated silver nano particles showed significant antimicrobial activity and have attention of pharmacists in order to design medicines. The results of antimicrobial test on the lung cancer cell has been witness the synthesis of drugs using extracted lemon peel is emerged as an eco-friendly, cost effective and most attentive synthesis.