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Issue 44, 2019
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Development of highly sensitive 1,4-dioxane sensor with semiconductor NiO-doped Nd2O3 nanostructures by electrochemical approach

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Abstract

In this approach, 1,4-dioxane, which is an environmental water toxin, is electrochemically identified by using nickel oxide doped on neodymium oxide nanocomposites (NiO@Nd2O3 NCs) embedded on glassy carbon electrode (GCE). Pristine NiO@Nd2O3 NCs were concocted with a simple wet-chemical technique using basic NaOH medium. Nanocomposites were identified with the use of Fourier transform infra-red spectroscopy (FT-IR), ultra-violet visible spectroscopy (UV-Vis), powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field-emission scanning electron microscopy (FESEM), and elemental dispersion spectroscopy (EDS) techniques. 5% Nafion was used as a conducting and coating binder. The application of 1,4-dioxane detection by electrochemical method is mostly based on selectivity, linearity, sensitivity, detection limit (LOD), and limit of detection (LOQ). The plot of calibration curve was linear with linear dynamic range (LDR) of 0.12 mM–0.12 nM. The calculated sensitivity, LOD, and LOQ from the slope were 0.029 μA μM−1 cm−2, 0.033 ± 0.002 nM, and 0.11 ± 0.02 nM respectively. The selective and sensitive chemical sensor fabricated for 1,4-dioxane analyte using doped nanomaterials was simple, cheap, and environment friendly.

Graphical abstract: Development of highly sensitive 1,4-dioxane sensor with semiconductor NiO-doped Nd2O3 nanostructures by electrochemical approach

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Publication details

The article was received on 07 Oct 2019, accepted on 17 Oct 2019 and first published on 17 Oct 2019


Article type: Paper
DOI: 10.1039/C9NJ05050G
New J. Chem., 2019,43, 17395-17402

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    Development of highly sensitive 1,4-dioxane sensor with semiconductor NiO-doped Nd2O3 nanostructures by electrochemical approach

    M. M. Rahman, A. Wahid and A. M. Asiri, New J. Chem., 2019, 43, 17395
    DOI: 10.1039/C9NJ05050G

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