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首页> 外文期刊>Electroanalysis >A High Sensitive TNT Sensor Based on Electrochemically Reduced Graphene Oxide-Poly(amidoamine) Modified Electrode
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A High Sensitive TNT Sensor Based on Electrochemically Reduced Graphene Oxide-Poly(amidoamine) Modified Electrode

机译：基于电化学还原氧化石墨烯-聚（氨基胺）修饰电极的高灵敏度TNT传感器

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摘要

In this paper, the electrochemically reduced graphene oxide-poly(amidoamine) hybrid (ErGO-PAMAM) have been used for fabrication of TNT electrochemical sensor. The prepared modified electrode is characterized with X-ray photoelectron spectroscopy (XPS), fourier transform infrared spectroscopy (FT-IR), electrochemical impedance spectroscopy (EIS), energy-dispersive X-ray (EDX) spectroscopy, scanning electron microscopy (SEM) and atomic force microscope (AFM). Based on obtained results, it is can be seen that the ErGO-PAMAM/GCE has high response to TNT than the other graphene based modified electrodes. The resulting electrochemical sensor exhibited good response to TNT with linear range from 0.05 to 1.2 ppm with a low detection limit of 0.0015 ppm.
机译：在本文中，电化学还原的氧化石墨烯-聚（酰胺基胺）杂化物（ErGO-PAMAM）已用于制造TNT电化学传感器。所制备的修饰电极通过X射线光电子能谱（XPS），傅立叶变换红外光谱（FT-IR），电化学阻抗谱（EIS），能量色散X射线（EDX）能谱，扫描电子显微镜（SEM）来表征。和原子力显微镜（AFM）。根据获得的结果，可以看出，ErGO-PAMAM / GCE比其他基于石墨烯的改性电极对TNT的响应更高。所得的电化学传感器对TNT的响应良好，线性范围为0.05至1.2 ppm，检出限低至0.0015 ppm。

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