Harnessing the UiO-67 metal-organic framework for advanced detection of cadmium ions in water bodies.
| Autor: | Selvaraj B; Centre for Advanced Materials and Innovative Technologies (CAMIT), Vellore Institute of Technology (Chennai Campus) Chennai 600127 India lakshmipriya.g@vit.ac.in.; School of Advanced Science (SAS), Vellore Institute of Technology (Chennai Campus) Chennai 600127 India., G LP; Centre for Advanced Materials and Innovative Technologies (CAMIT), Vellore Institute of Technology (Chennai Campus) Chennai 600127 India lakshmipriya.g@vit.ac.in.; School of Electronics Engineering (SENSE), Vellore Institute of Technology (Chennai Campus) Chennai 600127 India., Balasubramanian S; Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University Thanjavur Tamil Nadu 613 401 India.; School of Electrical & Electronics Engineering (SEEE), SASTRA Deemed University Thanjavur Tamil Nadu 613 401 India. |
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| Jazyk: | angličtina |
| Zdroj: | RSC advances [RSC Adv] 2024 Nov 08; Vol. 14 (48), pp. 35618-35627. Date of Electronic Publication: 2024 Nov 08 (Print Publication: 2024). |
| DOI: | 10.1039/d4ra06811d |
| Abstrakt: | Heavy metal ions are hazardous pollutants that pose serious threats to ecosystems and human health, making it imperative to detect and monitor their presence in water for environmental protection. This paper highlights the synthesis of the UiO-67 Metal-Organic Framework (MOF) without any dopants, offering a novel approach specifically for the detection of cadmium ions (Cd 2+ ) in aqueous environments. Following solvothermal synthesis, Powder X-ray Diffraction (PXRD), BET nitrogen adsorption-desorption analysis, X-ray Photoelectron Spectroscopy (XPS), and Scanning Electron Microscopy (SEM) were used to characterize the structural and morphological features of UiO-67. The MOF exhibited a high pore volume and surface area, which are essential for enhancing its detection capabilities for Cd 2+ ions. Based on experimental findings, the proposed sensor exhibits excellent selectivity towards Cd 2+ ions and a sensitivity of 3.008 μA nM -1 . Further, it achieves a low Limit of Detection (LoD) of 1.43 nM μA -1 and a Limit of Quantification (LoQ) of 4.34 nM μA -1 . The sensitivity and reliability of the UiO-67-modified electrode are demonstrated by these values, which qualify it for trace-level cadmium ion detection. The ground-breaking potential of undoped UiO-67 serves as a cutting-edge and effective tool for environmental monitoring, particularly in the detection of toxic metal ions in water bodies. Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. (This journal is © The Royal Society of Chemistry.) |
| Databáze: | MEDLINE |
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