Main Article Content
Zero-valent iron nanoparticles were successfully synthesized at room temperature using mangosteen peel extract as both reducing agent and stabilizer. The optimum conditions for mangosteen peel extraction were studied and found that the most effective solvent for the extraction of phenolic compound and flavonoid from the mangosteen peel was 80 % ethanol. Mangosteen peel extract / zero-valent Iron nanocomposites were green synthesized in the presence of Fe3+ precursor and the crude extract in an aqueous medium at room temperature for 12 h. The formation of metallic nanoparticles was monitored by UV-Visible spectroscopy. Transmission electron microscopy images demonstrated that the obtained nanoparticles are high particle dispersion with an average particle sizes of 12 nm. Infrared spectroscopy reveals that there is an interaction between the functional group of the extract and iron atom on the surface of particles. The synthesized mangosteen peel extract / Fe0 nanocomposites have high adsorption and reduction ability, including attributed as an effective catalyst for removing methylene blue in aqueous solution.
Keywords: zero-valent iron nanoparticle; mangosteen peel extract; green synthesis; methylene blue dye
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