基于纳米富硼掺杂碳纳米壁电极的 4-硝基甲苯高灵敏度伏安传感器,用于水安全检测

IF 5.3 2区 化学 Q1 CHEMISTRY, ANALYTICAL
Paweł Rutecki, Michał Sobaszek, Anna Dettlaff
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引用次数: 0

摘要

本研究展示了一种基于富硼纳米片掺杂碳纳米壁(NF-BCNW)电极的4-硝基甲苯(4-NT)检测的高效电化学传感平台。使用一步沉积工艺制造的电极具有显著的性能,包括快速电荷转移和发达的表面积。结果表明,4-NT在实验室级水样中的检测效率高,检出限(LOD)为10.2 nM,灵敏度为10.42±0.31 μAµM−1 cm−2。4-NT传感器的实际适用性也在环境样品自来水中进行了测试,其LOD为20.5 nM。所提出的电极在各种干扰离子存在的情况下对4-NT表现出相当高的灵敏度,并且在380天内表现出高稳定性。这些发现将NF-BCNW电化学传感器定位为水安全和环境监测应用的有效工具。图形抽象
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High sensitivity voltammetric sensor of 4-nitrotoluene based on nanoflake-rich boron-doped carbon nanowall electrode for water safety

This study demonstrates a highly efficient electrochemical sensing platform for 4-nitrotoluene (4-NT) detection based on nanoflake-rich boron-doped carbon nanowall (NF-BCNW) electrodes. The electrodes, fabricated using a one-step deposition process, exhibit remarkable properties, including fast charge transfer and a developed surface area. The research shows the high efficiency of 4-NT detection in laboratory-grade aqueous samples, with a low detection limit (LOD) of 10.2 nM and a high sensitivity of 10.42 ± 0.31 μA µM−1 cm−2. The practical applicability of the 4-NT sensor was also tested in an environmental sample, tap water, resulting in an LOD of 20.5 nM. The proposed electrode demonstrated considerable sensitivity for the sensing of 4-NT in the presence of various interfering ions and exhibited high stability over 380 days. These findings position the NF-BCNW electrochemical sensor as an effective tool for water safety and environmental monitoring applications.

Graphical Abstract

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来源期刊
Microchimica Acta
Microchimica Acta 化学-分析化学
CiteScore
9.80
自引率
5.30%
发文量
410
审稿时长
2.7 months
期刊介绍: As a peer-reviewed journal for analytical sciences and technologies on the micro- and nanoscale, Microchimica Acta has established itself as a premier forum for truly novel approaches in chemical and biochemical analysis. Coverage includes methods and devices that provide expedient solutions to the most contemporary demands in this area. Examples are point-of-care technologies, wearable (bio)sensors, in-vivo-monitoring, micro/nanomotors and materials based on synthetic biology as well as biomedical imaging and targeting.
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