Facile fabrication of bismuth oxide anchored graphene oxide for the effective electrochemical sensing of diuron

IF 5.5 3区工程技术 Q1 ENGINEERING, CHEMICAL Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2024-08-24 DOI:10.1016/j.jtice.2024.105708

Nandhini Munusamy , Francis Packiaraj Don Disouza , Shen-Ming Chen , Kumar Krishnan , Mukesh Kumar Dharmalingam Jothinathan , B. Prakash

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Abstract

Background

Diuron (DU), a weed controller widely used in the agricultural industry, prolonged conception of this agrochemical residue contaminated with environmental water bodies and soil sources could cause an acute impact on the human health system. This work utilized the electrochemical determination technique due to their rapid detection, outstanding sensitivity, and economical purpose.

Methods

The electrochemical behavior of DU at the γ-Bi₂O₃ microplates interconnected with sheet-like graphene oxide (GO) as a surface-modified electrode was scrutinized by cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The surface-modified γ-Bi₂O₃/GO/GCE elucidates superior electrocatalytic performance towards the irreversible oxidation response of diuron than the other surface-modified electrode in the phosphate buffer solution of 0.1 M.

Significant findings

The γ-Bi₂O₃/GO/GCE electrode displayed an extensive detection range of 0.1–631 µM with a 0.751 µM lower detection limit furthermore, noticeable 0.0280 µA µM^-1 cm^-2 sensitivity for diuron determination. In addition, the DPV experiment exposed that the γ-Bi₂O₃/GO/GCE electrode achieves stupendous selectivity, durability, and acceptable feasibility of the real-time samples.

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轻松制备锚定氧化铋的氧化石墨烯，实现对双脲的有效电化学传感

背景噻草隆（Diuron，DU）是一种广泛应用于农业领域的除草剂，这种农用化学品残留物长期污染环境水体和土壤可能会对人类健康系统造成严重影响。方法采用循环伏安法（CV）和差分脉冲伏安法（DPV）对以片状氧化石墨烯（GO）为表面修饰电极的γ-Bi2O3 微孔板上 DU 的电化学行为进行了研究。γ-Bi2O3/GO/GCE电极的检测范围为0.1-631 µM，检测下限为0.751 µM，而且对利谷隆的检测灵敏度为0.0280 µA µM-1 cm-2。此外，DPV 实验表明，γ-Bi2O3/GO/GCE 电极具有极高的选择性、耐用性和实时样品的可接受性。

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来源期刊

Journal of the Taiwan Institute of Chemical Engineers 工程技术-工程：化工

CiteScore

9.10

自引率

14.00%

发文量

362

审稿时长

35 days

期刊介绍： Journal of the Taiwan Institute of Chemical Engineers (formerly known as Journal of the Chinese Institute of Chemical Engineers) publishes original works, from fundamental principles to practical applications, in the broad field of chemical engineering with special focus on three aspects: Chemical and Biomolecular Science and Technology, Energy and Environmental Science and Technology, and Materials Science and Technology. Authors should choose for their manuscript an appropriate aspect section and a few related classifications when submitting to the journal online.