Bio-inspired Sustainable Fabrication of CdO Nanoparticles Using Citrus sinensis Peel Extract for Photocatalytic Degradation of Rhodamine B Dye

IF 2.8 3区化学 Q2 CHEMISTRY, APPLIED

Topics in Catalysis Pub Date : 2024-06-27 DOI:10.1007/s11244-024-01983-z

Khanderao Pagar, Vishal Gadore, Soumya Ranjan Mishra, Md. Ahmaruzzaman, Parita Basnet, Dnyaneshwar Sanap, Minh Canh Vu, Kun-Yi Andrew Lin, Balasubramani Ravindran, Suresh Ghotekar

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Abstract

Presently, the creation of metal nanoparticles (NPs) using plant extracts has rapidly gained an appealing aspect in the realm of modern nanobiotechnology, with substantial merits over traditional techniques. In this context, cadmium oxide (CdO) NPs have been created utilizing a bio-inspired green synthetic approach using Citrus limetta peel extract. The active organic biomolecules within the peel extract functioned as reductants and stabilizers for NPs, resulting in pure CdO NPs. The structural, chemical, optical, and topological traits were evaluated utilizing XRD, FTIR, FESEM, EDX, HRTEM, UVDRS, and PL analyses. The synthesized CdO NPs are about 54 nm in size with a quasi-spherical morphology. The computed band gap of NPs was 2.59 eV, which validated the cubic phase formation of CdO NPs. The photocatalytic studies of the as-fabricated CdO NPs were investigated through Rhodamine B (RhB) dye degradation via H₂O₂-assisted AOP under sunlight. The effect of H₂O₂, photocatalyst loading, RhB dye concentration, contact time, scavengers, and recyclability study was also investigated in detail to demonstrate the functionality of the photocatalyst. Approximately 85% of the dye was decomposed within 60 min, revealing its excellent photocatalytic performance of CdO NPs. Therefore, the research outcomes thus offer that the CdO NPs may have a substantial potential for ecological remediation through a photocatalytic approach.

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利用柑橘皮提取物以生物启发的方式可持续制备氧化镉纳米粒子，用于光催化降解罗丹明 B 染料

目前，利用植物萃取物制造金属纳米粒子（NPs）已迅速成为现代纳米生物技术领域的一个吸引人的方面，与传统技术相比具有很大的优势。在此背景下，我们利用柑橘皮提取物，通过生物启发的绿色合成方法制造出了氧化镉（CdO）纳米粒子。果皮萃取物中的活性有机生物大分子可作为 NPs 的还原剂和稳定剂，从而产生纯净的 CdO NPs。利用 XRD、FTIR、FESEM、EDX、HRTEM、UVDRS 和 PL 分析评估了其结构、化学、光学和拓扑特性。合成的 CdO NPs 大小约为 54 nm，具有准球形形态。计算得出的 NPs 带隙为 2.59 eV，这验证了 CdO NPs 的立方相形成。在阳光下，通过 H2O2 辅助 AOP 降解罗丹明 B（RhB）染料，对制备的 CdO NPs 进行了光催化研究。为了证明光催化剂的功能性，还详细研究了 H2O2、光催化剂负载、RhB 染料浓度、接触时间、清除剂和可回收性的影响。在 60 分钟内，约 85% 的染料被分解，显示了 CdO NPs 卓越的光催化性能。因此，研究成果表明，通过光催化方法，CdO NPs 在生态修复方面具有巨大潜力。

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来源期刊

Topics in Catalysis 化学-物理化学

CiteScore

5.70

自引率

5.60%

发文量

197

审稿时长

2 months

期刊介绍： Topics in Catalysis publishes topical collections in all fields of catalysis which are composed only of invited articles from leading authors. The journal documents today’s emerging and critical trends in all branches of catalysis. Each themed issue is organized by renowned Guest Editors in collaboration with the Editors-in-Chief. Proposals for new topics are welcome and should be submitted directly to the Editors-in-Chief. The publication of individual uninvited original research articles can be sent to our sister journal Catalysis Letters. This journal aims for rapid publication of high-impact original research articles in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis.