4.6 Article

Biogenic Synthesis and Catalytic Efficacy of Silver Nanoparticles Based on Peel Extracts of Citrus macroptera Fruit

期刊

ACS OMEGA
卷 6, 期 28, 页码 18260-18268

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acsomega.1c02149

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  1. Ministry of Education, Culture, Sports, Science and Technology, Japan

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This study presents a green and cost-effective synthesis method of AgNPs using citrus fruit peel extract, showing efficient reduction and degradation capabilities. The synthesized AgNPs exhibit stable dispersion and catalytic activity in various reactions, providing a potential for industrial green fabrication.
Biogenically synthesized silver nanoparticles (AgNP) increase the fascination over chemical ones due to their facile and green synthetic process. This study reports the development of an eco-friendly and cost-effective synthesis of AgNPs using an aqueous extract of Citrus macroptera fruit peel, an agricultural waste, as a sole agent with both reducing and capping abilities. The formation of AgNPs was verified by the surface plasmon resonance peak at 426 nm in the UV-vis spectrum, X-ray diffraction pattern, and transmission electron micrography images. The AgNPs obtained under the optimized conditions consist of face-centered cubic crystals and spherical morphology with an average size of 11 nm. The AgNPs are coated with phytochemicals in the C. macroptera fruit peel extract and are stably dispersible due to their negatively charged nature. The AgNPs effectively catalyzed the reduction of 4-nitrophenol to 4-aminophenol and the degradation of methyl orange and methylene blue in the presence of sodium borohydride. This method employing a fruit peel extract is facile, efficient, eco-friendly, and cost-effective and has potential for industrial green fabrication of AgNPs.

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