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Development of an efficient phenolic sensor based on facile Ag2O/Sb2O3 nanoparticles for environmental safety

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Abstract

The facile hydrothermal method was used to prepare low-dimensional doped Ag2O/Sb2O3 nanoparticles (NPs) at low temperature in alkaline medium. The calcined NPs were characterized in detail by FTIR, UV/vis, FESEM, XPS, EDS, and XRD. A thin layer of Ag2O/Sb2O3 NPs was deposited onto a glassy carbon electrode (GCE) using Nafion (5% Nafion suspension in ethanol) conducting binder, which formed the working electrode of the selective 3-methoxyphenol electrochemical sensor probe. The proposed chemical sensor exhibits high sensitivity, long-term stability, and enhanced electrochemical responses towards 3-methoxyphenol. Response to 3-methoxyphenol is linear over the concentration range (LDR) of 0.09 nM to 0.09 mM. The analytical parameters of the sensor such as sensitivity, stability, response time, linearity, LDR, robustness, selectivity etc. were evaluated by an electrochemical approach. The sensor probe fabricated with Ag2O/Sb2O3 NPs seems to be a promising candidate for effective and reliable electrochemical detection of hazardous and carcinogenic chemicals in the environment and health care fields in large scales.

Graphical abstract: Development of an efficient phenolic sensor based on facile Ag2O/Sb2O3 nanoparticles for environmental safety

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Publication details

The article was received on 12 Jun 2018, accepted on 24 Oct 2018 and first published on 09 Nov 2018


Article type: Paper
DOI: 10.1039/C8NA00034D
Citation: Nanoscale Adv., 2019, Advance Article
  • Open access: Creative Commons BY-NC license
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    Development of an efficient phenolic sensor based on facile Ag2O/Sb2O3 nanoparticles for environmental safety

    Mohammed M. Rahman, M. M. Alam and A. M. Asiri, Nanoscale Adv., 2019, Advance Article , DOI: 10.1039/C8NA00034D

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