Hierarchical Porous NiCo2O4 array grown on Ni foam for the Simultaneous Electrochemical Detection of Copper(II) and Mercury(II)

Hierarchical Porous NiCo2O4 array grown on Ni foam for the Simultaneous Electrochemical Detection of Copper(II) and Mercury(II)

Hierarchical porous NiCo2O4 array grown on Ni foam (NiCo2O4/NF) was synthesized by a facile one-step hydrothermal reaction and then directly applied as the binder-free electrode of electrochemical sensor. Impressively, the NiCo2O4/NF exhibited rapid detection and high sensitivity for simultaneous el...

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Veröffentlicht in:International journal of electrochemical science 2018-01, Vol.13 (1), p.542-550
Hauptverfasser: Yao, Shushan, Zhi, Lifei, Guo, Jin, Yan, Shijian, Zhang, Mingang
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Sprache:eng
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Electrochemical sensor
Hierarchical porous
Metal determination
NiCo2O4 microflowers
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container_title International journal of electrochemical science
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creator Yao, Shushan
Zhi, Lifei
Guo, Jin
Yan, Shijian
Zhang, Mingang
description Hierarchical porous NiCo2O4 array grown on Ni foam (NiCo2O4/NF) was synthesized by a facile one-step hydrothermal reaction and then directly applied as the binder-free electrode of electrochemical sensor. Impressively, the NiCo2O4/NF exhibited rapid detection and high sensitivity for simultaneous electrochemical detection of copper and mercury ions, in which the sensitivity was about 29.8μA/μM and 23.7μA/μM, respectively. Moreover, it also showed good repeatability and long-term stability (2.4% decrease in response over 10 testing times and 30 days). This work did not only provided a facile method of synthesis hierarchical porous NiCo2O4/NF, but also proved that the hierarchical porous layered double hydroxides could be applied in simultaneous electrochemical detection of heavy metal ions.
doi_str_mv 10.20964/2018.01.57
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subjects Electrochemical sensor
Hierarchical porous
Metal determination
NiCo2O4 microflowers
title Hierarchical Porous NiCo2O4 array grown on Ni foam for the Simultaneous Electrochemical Detection of Copper(II) and Mercury(II)
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