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Removal of a melamine contaminant with Ag-doped ZnO nanocomposite materials

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Abstract

In this approach, Ag-doped ZnO nanosheets (Ag/ZnO NSs) were prepared via a facile wet-chemical method using reducing agents in an alkaline medium at a low temperature. Initially, the Ag/ZnO NSs were totally characterized via UV/vis, FT-IR, FESEM, XEDS, XPS, powder XRD, etc. For potential chemical sensor applications, the Ag/ZnO NSs were deposited onto a flat glassy carbon electrode (GCE) with 5% Nafion conducting binders to fabricate a sensor that has fast, selective response towards melamine. Characteristics including higher sensitivity, lower detection limit, better reliability, good reproducibility, ease of integration, long-term stability, high selectivity, and enhanced electrochemical performance were investigated in detail in this approach. The effect of Ag-doping into ZnO on melamine detection was also investigated on the basis of the fabricated sensors. Finally, the efficiency of the proposed chemi-sensor could be applied and effectively utilized for the detection of melamine with acceptable and reasonable results.

Graphical abstract: Removal of a melamine contaminant with Ag-doped ZnO nanocomposite materials

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Publication details

The article was received on 09 Sep 2019, accepted on 06 Nov 2019 and first published on 06 Nov 2019


Article type: Paper
DOI: 10.1039/C9NJ04638K
New J. Chem., 2019, Advance Article

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    Removal of a melamine contaminant with Ag-doped ZnO nanocomposite materials

    M. M. Rahman, H. B. Balkhoyor and A. M. Asiri, New J. Chem., 2019, Advance Article , DOI: 10.1039/C9NJ04638K

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