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首页> 外文期刊>Electroanalysis >Electrochemical Behavior and Amperometric Detection of 4-Chlorophenol on Nano-Au Thin Films Modified Glassy Carbon Electrode
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Electrochemical Behavior and Amperometric Detection of 4-Chlorophenol on Nano-Au Thin Films Modified Glassy Carbon Electrode

机译：纳米金薄膜修饰玻碳电极上4-氯酚的电化学行为及安培检测

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摘要

An amperometric sensor based on nano-Au thin films was fabricated, by means of which a fast response to 4-chlorophenol (4-CP) can be achieved in the range of mM concentrations. The nanostructured Au thin film was prepared on glassy carbon electrodes by a template-free, double-potential step electrodeposition technique. Its structural feature can be controlled well by adjusting the deposition time. The amperometric detection of 4-CP was performed at +0.85V with a linear detection range from 0.2 to 4.8mM and a detection limit of 0.11mM (S/N=3). Besides, the effect of concentrations on the electrochemical behavior of 4-CP on the Au thin film was investigated by linear sweep voltammetry, differential pulse voltammetry and electrochemical impedance spectroscopy.
机译：制备了基于纳米金薄膜的安培传感器，通过该传感器，可以在mM浓度范围内对4-氯苯酚（4-CP）做出快速响应。通过无模板的双电位阶梯电沉积技术在玻璃碳电极上制备了纳米结构的Au薄膜。通过调整沉积时间可以很好地控制其结构特征。 4-CP的安培检测是在+ 0.85V的条件下进行的，线性检测范围为0.2至4.8mM，检测极限为0.11mM（S / N = 3）。此外，通过线性扫描伏安法，差分脉冲伏安法和电化学阻抗谱研究了浓度对4-CP在Au薄膜上电化学行为的影响。

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