Eco-Friendly Synthesis and Characterization of Zinc Oxide Nanoparticles Using Margosa (Azadirachta indica) Leaf Extract for Sustainable Agricultural Nanotechnology
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Abstract
This study presents a sustainable method for synthesizing zinc oxide nanoparticles (ZnO NPs) using aqueous leaf extracts of Azadirachta indica (Margosa), serving as natural reducing and capping agents. The green synthesis approach aligns with environmentally conscious practices by eliminating harmful chemicals and minimizing toxic byproducts. The physicochemical characteristics of the ZnO NPs were thoroughly investigated using established analytical techniques. UV-Vis spectroscopy identified a distinct absorption peak at 363 nm, and the direct band-gap energy was calculated as 3.4 eV. FTIR analysis confirmed the involvement of biomolecules, such as proteins, aromatic compounds, and alcohols, in the reduction and stabilization processes. SEM imaging revealed the formation of agglomerated nanoparticles, while EDX confirmed the elemental composition of zinc and oxygen. DLS measurements estimated the average particle size to be approximately 47.2 nm. The results support the viability of using agricultural plant-based materials for the eco-friendly and cost-efficient production of metal oxide nanoparticles, contributing to advancements in green nanotechnology within agricultural and farm engineering applications.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
วารสารวิศวกรรมฟาร์มและเทคโนโลยีควบคุมอัตโนมัติ (FEAT Journal) มีกําหนดออกเป็นราย 6 เดือน คือ มกราคม - มิถุนายน และกรกฎาคม - ธันวาคม ของทุกปี จัดพิมพ์โดยกลุ่มวิจัยวิศวกรรมฟาร์มและเทคโนโลยีควบคุมอัตโนมัติ คณะวิศวกรรมศาสตร์มหาวิทยาลัยขอนแก่น เพื่อเป็นการส่งเสริมและเผยแพร่ความรู้ ผลงานทางวิชาการ งานวิจัยทางด้านวิศวกรรมศาสตร์และเทคโนโลยีพร้อมทั้งยังจัดส่ง เผยแพร่ตามสถาบันการศึกษาต่างๆ ในประเทศด้วย บทความที่ตีพิมพ์ลงในวารสาร FEAT ทุกบทความนั้นจะต้องผ่านความเห็นชอบจากผู้ทรงคุณวุฒิในสาขาที่เกี่ยวข้องและสงวนสิทธิ์ ตาม พ.ร.บ. ลิขสิทธิ์ พ.ศ. 2535
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