Enhanced Elimination of Dyes from Aqueous Solution and Antioxidant Activity Using Ascorbic Acid-Functionalized Iron Oxide Nanocomposites

IF 2.7 4区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Journal of Cluster Science Pub Date : 2024-10-16 DOI:10.1007/s10876-024-02712-y

Bilal Khaled, Chaima Salmi, Iman Kir, Hamdi Ali Mohammed, Salah Eddine Laouini, Abderrhmane Bouafia, Fahad Alharthi, Johar Amin Ahmed Abdullah, Khansaa Al-Essa

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Abstract

This study presents the synthesis and characterization of iron oxide nanocomposites (Fe₃O₄/Fe₂O₃ NC) functionalized with ascorbic acid (Fe₃O₄/Fe₂O₃@AA NC) for enhanced photocatalytic and antioxidant activities. The nanocomposites were synthesized using a modified co-precipitation method and characterized by UV-visible spectroscopy, FTIR, XRD, and SEM. The photocatalytic degradation of Brilliant Cresyl Blue (BCB) and amoxicillin (AMX) under sunlight irradiation was evaluated. Results showed a remarkable degradation efficiency of 99.2% for BCB and 99.1% for AMX using Fe₃O₄/Fe₂O₃@AA NC, compared to 97% and 95% with Fe₃O₄/Fe₂O₃ NC. The rate constants for the degradation of BCB were 0.041 min⁻¹ for Fe₃O₄/Fe₂O₃@AA NC and 0.031 min⁻¹ for Fe₃O₄/Fe₂O₃ NC, while for AMX, they were 0.035 min⁻¹ and 0.025 min⁻¹, respectively. Additionally, the antioxidant activity of Fe₃O₄/Fe₂O₃@AA NC was significantly higher, ranging from 45% to 95.25%, compared to 41.8% to 79.6% for Fe₃O₄/Fe₂O₃ NC. These findings suggest that ascorbic acid functionalization significantly enhances the photocatalytic and antioxidant properties of iron oxide nanocomposites.

Graphical Abstract

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利用抗坏血酸官能化氧化铁纳米复合材料提高水溶液中染料的消除能力和抗氧化活性

本研究介绍了与抗坏血酸（Fe₃O₄/Fe₂O₃@AA NC）功能化的氧化铁纳米复合材料（Fe₃O₄/Fe₂O₃@AA NC）的合成和表征，以增强其光催化和抗氧化活性。纳米复合材料采用改进的共沉淀法合成，并通过紫外-可见光谱、傅立叶变换红外光谱、X 射线衍射和扫描电镜进行表征。在阳光照射下，对亮甲酚蓝（BCB）和阿莫西林（AMX）的光催化降解进行了评估。结果表明，Fe₃O₄/Fe₂O₃@AA NC 对 BCB 和 AMX 的降解效率分别为 99.2% 和 99.1%，而 Fe₃O₄/Fe₂O₃@AA NC 的降解效率分别为 97% 和 95%。Fe₃O₄/Fe₂O₃@AA NC 和 Fe₃O₄/Fe₂O₃ NC 降解 BCB 的速率常数分别为 0.041 min-1 和 0.031 min-1，而 AMX 的速率常数分别为 0.035 min-1 和 0.025 min-1。此外，Fe₃O₄/Fe₂O₃@AA NC 的抗氧化活性显著较高，从 45% 到 95.25% 不等，而 Fe₃O₄/Fe₂O₃ NC 则为 41.8% 到 79.6%。这些研究结果表明，抗坏血酸官能化能显著提高氧化铁纳米复合材料的光催化和抗氧化性能。图文摘要

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来源期刊

Journal of Cluster Science 化学-无机化学与核化学

CiteScore

6.70

自引率

0.00%

发文量

166

审稿时长

3 months

期刊介绍： The journal publishes the following types of papers: (a) original and important research; (b) authoritative comprehensive reviews or short overviews of topics of current interest; (c) brief but urgent communications on new significant research; and (d) commentaries intended to foster the exchange of innovative or provocative ideas, and to encourage dialogue, amongst researchers working in different cluster disciplines.