Green synthesis and characterization of iron nanoparticle using extracted bitter guard leaves used as methylene blue removal

Thin Phyu Lin; Kyu Kyu Khaing; Aung Than Htwe; May Thazin Oo; Su Su Soe Nyunt

doi:10.24294/can.v6i1.3183

Green synthesis and characterization of iron nanoparticle using extracted bitter guard leaves used as methylene blue removal

Thin Phyu Lin, Kyu Kyu Khaing, Aung Than Htwe, May Thazin Oo, Su Su Soe Nyunt

Article ID: 3183
Vol 6, Issue 1, 2023

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Abstract

Zero-valent iron is a moderately reducing reagent that is both non-toxic and affordable. In the present work, iron nanoparticles were synthesized using bitter guard leaf extract (Momordica charantia L.) (BGL-Fe NP). Using leaf samples from bitter protectant extract, iron nanoparticles were synthesized with secondary metabolites such as flavonoids and polyphenols acting as capping and reducing agents. Polyphenols reduce Fe²⁺/Fe³⁺ to nanovalent iron or iron nanoparticles. Iron nanoparticles were synthesized by reducing iron chloride as a precursor with bitter protective leaf extract in an alkaline environment. The obtained BGL-Fe NPs were calcined for 4 h at various temperatures of 400 °C, 500 °C, and 600 °C. The obtained samples were coded as BGL-Fe NPs-4, BGL-Fe NPs-5, and BGL-Fe NPs-6, respectively. The synthesized BGL-Fe NPs were systematically characterized by XRD, SEM, FTIR, UV-Vis and TG-DTA analysis. The obtained BGL-Fe NPs were then used as an adsorbent to remove the aqueous solution of basic methylene blue (MB) dye. MB concentration was monitored using UV-Vis spectroscopy.

Keywords

Iron Nanoparticle; Characterization; Methylene Blue

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DOI: https://doi.org/10.24294/can.v6i1.3183