Synergistic electrocatalytic effect of hierarchical bismuth oxychloride (BiOCl) nanoparticles for voltammetric determination of 2-aminophenol in the presence of bisphenol A.

Ahmed A Shamroukh, Ahmed R Tawfik, Asmaa A Khodari, Hassan M A Salman, Hytham F Assaf

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Article in Analytical and bioanalytical chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Ahmed A ShamroukhChemistry Department, Faculty of Science, Qena University, Qena, 83523, Egypt. ahmed.shamrouk@sci.svu.edu.eg.

Ahmed R TawfikChemistry Department, Faculty of Science, Qena University, Qena, 83523, Egypt. atawfik2018@gmail.com.

Asmaa A KhodariChemistry Department, Faculty of Science, Qena University, Qena, 83523, Egypt.

Hassan M A SalmanChemistry Department, Faculty of Science, Qena University, Qena, 83523, Egypt.

Hytham F AssafChemistry Department, Faculty of Science, Qena University, Qena, 83523, Egypt.

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6 · The paper itself

Abstract

The increasing environmental contamination by phenolic compounds such as 2-aminophenol (2-AP) and bisphenol A (BPA) demands sensitive, rapid, and cost-effective detection methods. In this work, we report a novel electrochemical sensor based on a bismuth oxychloride nanoparticle-modified carbon paste electrode (BiOCl NPs/CPE) for the sensitive determination of 2-AP in the presence of BPA. The sensor exhibited excellent electrocatalytic activity toward the oxidation of 2-AP and enabled clear discrimination of its oxidation signal from that of BPA due to the well-separated oxidation peaks. BiOCl NPs were synthesized via a simple one-pot precipitation method at ambient conditions and characterized by XRD, SEM, and EDX, confirming a highly crystalline tetragonal phase with a flower-like hierarchical morphology composed of nanoflakes. The modified electrode exhibited a significantly enhanced electroactive surface area (0.093 cm

Indexed as

2-AminophenolBiOCl nanoparticlesBisphenol ACarbon paste electrodeElectrochemical sensorSimultaneous detectionVoltammetryWater analysis

Identifiers

PMID42479145

DOI10.1016/j.sna.2023.114351

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