A novel 2D-GO@WS2 electrochemical platform for the determination of thiram fungicide

被引：15

作者：

Abid, Khouloud ^{[1
,2
]}

Iannazzo, Daniela ^{[1
,2
]}

Celesti, Consuelo ^{[1
]}

Khaskhoussi, Amani ^{[1
]}

Foti, Antonino ^{[4
]}

Maalej, Ramzi ^{[3
]}

Gucciardi, Pietro Giuseppe ^{[4
]}

Neri, Giovanni ^{[1
,2
]}

机构：

[1] Univ Messina, Dept Engn, I-98166 Messina, Italy

[2] INSTM, Res Unity Messina, Messina, Italy

[3] Sfax Univ, Fac Sci Sfax, Lab Dielect & Photon Mat, Sfax 3018, Tunisia

[4] CNR IPCF Ist & Proc Chim Fis, Viale F Stagno DAlcontres 37, I-98156 Messina, Italy

来源：

JOURNAL OF ENVIRONMENTAL SCIENCES | 2024年 / 136卷

关键词：

WS; 2; nanosheets; Fungicides; Thiram; Graphene Oxide (GO); Electrochemical sensor;

D O I：

10.1016/j.jes.2022.11.018

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this paper, the determination of Thiram fungicide by a novel modified screen-printed carbon electrode (SPCE) fabricated modifying the working electrode (WE) with 2D-GO/WS2 nanohybrid composites, is reported. Scanning electron microscopy (SEM), Raman spectroscopy, and fluorescence analysis (PL) were used to reveal the morphological and microstructural characteristics of the 2D-GO/WS2 nanohybrids with different graphene oxide:tungsten disulphide (GO:WS2) ratio. Electrochemical characterization demonstrated that the 2D-WS2/GO nanohybrids having a GO:WS2 ratio = 2:1 shows the highest electrocatalytic activity towards oxidation of Thiram. The developed sensor permits the quantification of Thiram in the linear range 0.083-0.33 mu M with a limit of detection (LOD) of 0.02 mu M, which is below the legal limits for this fungicide in drinking water or foods.(c) 2023 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.

引用

页码：226 / 236

页数：11

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