氮掺杂空心碳球修饰玻碳电极检测水中亚硫酸盐的电催化响应

IF 2.9 Q2 ELECTROCHEMISTRY Journal of Electrochemical Science and Engineering Pub Date : 2023-10-25 DOI:10.5599/jese.1966
Ashkan Basande, Hadi Beitollahi
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引用次数: 0

摘要

在本工作中,用氮掺杂的空心碳球(n- hcs)修饰玻碳电极(GCE)表面,实现了一种新的水样亚硫酸盐电化学传感器(n- hcs /GCE)。通过伏安法研究了n - hcs在常规三电极系统中的电催化行为。研究结果揭示了修饰电极对亚硫酸盐氧化的令人钦佩的效率,突出了我们生产的亚硫酸盐传感器的有效性。利用差分脉冲伏安法对所研制的传感器进行了研究,结果表明,电化学电流与亚硫酸盐浓度呈线性关系,动态范围为1.0 ~ 100.0 μM,检测限窄为0.35 μM。此外,N-HCSs/GCE在用伏安技术检测实际样品中存在的亚硫酸盐方面具有值得称赞的实际适用性。
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Electrocatalytic response of nitrogen-doped hollow carbon spheres modified glassy carbon electrode for sulphite detection in water
In this work, the glassy carbon electrode (GCE) surface was modified with nitrogen-doped hollow carbon spheres (N-HCSs) to achieve a new electrochemical sulphite sensor (N-HCSs/GCE) in water samples. The N-HCSs were explored for electrocatalytic behavior through voltammetric approaches using a routine three-electrode system. The findings revealed an admirable efficiency for modified electrodes towards sulphite oxidation, highlighting the effectiveness of our as-produced sulphite sensor. The differential pulse voltammetry was utilized under obtained optimal circumstances to study the as-developed sensor, the results of which underlined linear electrochemical current in relation to sulphite concentration, with dynamic range as wide as 1.0-100.0 μM and limit of detection as narrow as 0.35 μM. Moreover, N-HCSs/GCE had commendable practical applicability for sensing sulphite present in real specimens with voltammetric techniques.
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来源期刊
CiteScore
3.60
自引率
27.30%
发文量
90
审稿时长
6 weeks
期刊最新文献
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