A three-dimensional Fe-doped BiVO4@Carbon nanosphere as modified indium tin oxide electrode for non-enzymatic paracetamol sensing

IF 2.2 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Journal of the Iranian Chemical Society Pub Date : 2025-01-28 DOI:10.1007/s13738-024-03168-7

Eya Fatnassi, Maram Derbali, Amira Nahdi, Salah Kouass, Hassouna Dhaouadi, Fathi Touati

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Abstract

The purpose of this research is to develop an electrochemical sensor in order to determine paracetamol (PC) levels. To reach this objective, an indium tin oxide (ITO) electrode was modified with a composite of carbon nanosphere (CNS) and iron-doped bismuth vanadate nanoparticles (Fe_0.05Bi_0.95VO₄), which was tested to evaluate its electrocatalytic properties for the anodic oxidation of PC. Exploiting their various structural advantages that include large exposed active surface sites, ultrathin nanosheets, and unique three-dimensional spherical nanostructure, the as-obtained hybrid electrode Fe_0.05Bi_0.95VO₄/CNS exhibits an excellent electrochemical performance. The fabricated nanocomposite electrode Fe_0.05Bi_0.95VO₄/CNS/ITO reacted rapidly with enhanced anodic peak current when PC analyte is added. At optimized conditions, the proposed electrochemical platform enabled a linear plot over a concentration range of 1–80 μM with a detection limit of 1 μM of PC. This research’s novelty consists of designing a new and effective electrochemical sensing system that can identify PC with high sensitivity and selectivity, helping to keep water quality under control and preventing negative effects on the environment and public health.

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作为改性氧化铟锡电极的三维掺铁 BiVO4@Carbon 纳米球，用于非酶类扑热息痛传感

本研究的目的是开发一种电化学传感器，以确定扑热息痛（PC）的水平。为此，采用碳纳米球（CNS）和掺铁钒酸铋纳米粒子（Fe0.05Bi0.95VO4）的复合材料对氧化铟锡（ITO）电极进行了修饰，并对其阳极氧化PC的电催化性能进行了测试。该杂化电极Fe0.05Bi0.95VO4/CNS利用其大暴露活性表面位点、超薄纳米片和独特的三维球形纳米结构等多种结构优势，表现出优异的电化学性能。制备的纳米复合电极Fe0.05Bi0.95VO4/CNS/ITO在加入PC分析物时反应迅速，阳极峰电流增强。在优化条件下，该电化学平台在1 ~ 80 μM的浓度范围内建立了线性图，检出限为1 μM的PC。本研究的新颖之处在于设计了一种新的有效的电化学传感系统，该系统可以高灵敏度和选择性地识别PC，有助于控制水质，防止对环境和公众健康产生负面影响。

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来源期刊

Journal of the Iranian Chemical Society 化学-化学综合

CiteScore

4.40

自引率

8.30%

发文量

230

审稿时长

5.6 months

期刊介绍： JICS is an international journal covering general fields of chemistry. JICS welcomes high quality original papers in English dealing with experimental, theoretical and applied research related to all branches of chemistry. These include the fields of analytical, inorganic, organic and physical chemistry as well as the chemical biology area. Review articles discussing specific areas of chemistry of current chemical or biological importance are also published. JICS ensures visibility of your research results to a worldwide audience in science. You are kindly invited to submit your manuscript to the Editor-in-Chief or Regional Editor. All contributions in the form of original papers or short communications will be peer reviewed and published free of charge after acceptance.