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首页> 外文期刊>International Journal of Electrochemical Science >Highly Effective Detection of 4-Nitrophenol by Tremella-like Indium Silver Sulfide Modified GCE
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Highly Effective Detection of 4-Nitrophenol by Tremella-like Indium Silver Sulfide Modified GCE

机译：银耳状硫化银铟修饰的GCE高效检测4-硝基苯酚

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摘要

A highly sensitive electrochemical sensor for 4-nitrophenol was established based on a tremella-likeindium silver sulfide modified glassy carbon electrode (TLISS/GCE). Indium silver sulfide wasfacilely synthesized by co-precipitation. The morphology and phase of TLISS was investigated byscanning electron microscopy and X-ray diffraction. An electrochemical study was conducted by anelectrochemical impedance spectroscopic technique, cyclic voltammetry and differential pulsevoltammetry. The as-prepared sensor detected 4-nitrophenol with high accuracy, satisfactoryreproducibility and good stability in wide range of 4-nitrophenol concentrations, and the determinationlimit (3S/m) was as low as 1.09 μM. In addition, tap and river waters were used to evaluate thepractical application of the newly developed TLISS/GCE sensor, and high performance was alsoobtained. To the best of our knowledge, this is the first report regarding the 4-nitrophenol detectionperformance of indium silver sulfide. The method reported here is helpful for developing more highlyeffective 4-nitrophenol detection methods.
机译：基于银耳-锡铟银硫化物修饰的玻碳电极（TLISS / GCE），建立了一种用于4-硝基苯酚的高灵敏度电化学传感器。通过共沉淀容易地合成了铟银硫化物。通过扫描电子显微镜和X射线衍射研究了TLISS的形态和相。通过电化学阻抗谱技术，循环伏安法和差分脉冲伏安法进行了电化学研究。所制备的传感器在宽范围的4-硝基苯酚浓度下检测到的4-硝基苯酚具有较高的准确度，可重复性和良好的稳定性，测定极限（3S / m）低至1.09μM。此外，自来水和河水被用于评估新开发的TLISS / GCE传感器的实际应用，并且还获得了高性能。据我们所知，这是关于铟银硫化物的4-硝基苯酚检测性能的第一份报告。此处报道的方法有助于开发更高效的4-硝基苯酚检测方法。

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