Cu5Zn8@SiO2/NC derived from Cu/ZIF-8 as an efficient electrochemical sensor for environmental pollutant detection in water bodies

Zi-Hao Yu; Jing-Shuai Chen; Xing-Pei Liu; Chang-Jie Mao; Bao-Kang Jin

doi:10.1039/D4NJ00895B

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Cu₅Zn₈@SiO₂/NC derived from Cu/ZIF-8 as an efficient electrochemical sensor for environmental pollutant detection in water bodies†

Zi-Hao Yu,^a Jing-Shuai Chen,

^a Xing-Pei Liu,*^a Chang-Jie Mao

*^a and Bao-Kang Jin

Author affiliations

* Corresponding authors

^a Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, School of Chemistry & Chemical Engineering, Anhui, University, Hefei 230601, P. R. China
E-mail: maochangjie@sina.com, 414043594@qq.com

Abstract

Sensitive detection of toxic substances in drinking water is always a difficult problem in electrochemical applications. This paper presents a new electrode enhanced with nanomaterials for the sensitive detection of nitrobenzene (NB). A bimetallic Cu₅Zn₈ alloy was created using the copper-zeolitic imidazole framework (Cu/ZIF-8). Based on this, we synthesized a Cu₅Zn₈@SiO₂/nitrogen-doped carbon (NC) composite. The experimental results showed that the Cu₅Zn₈@SiO₂/NC composite has good conductivity and electron transfer ability, which was conducive to the reduction of NB. The fabricated Cu₅Zn₈@SiO₂/NC electrode has a wide linear range with a low detection limit for the reduction of NB. At the same time, it has better anti-interference ability and reproducibility. Additionally, with good recoveries, Cu₅Zn₈@SiO₂/NC was successfully used to monitor NB in tap water.

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Article information

DOI: https://doi.org/10.1039/D4NJ00895B
Article type: Paper
Submitted: 26 Feb 2024
Accepted: 04 Apr 2024
First published: 07 Apr 2024

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New J. Chem., 2024, Advance Article

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Cu₅Zn₈@SiO₂/NC derived from Cu/ZIF-8 as an efficient electrochemical sensor for environmental pollutant detection in water bodies

Z. Yu, J. Chen, X. Liu, C. Mao and B. Jin, New J. Chem., 2024, Advance Article , DOI: 10.1039/D4NJ00895B

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New Journal of Chemistry