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首页> 外文期刊>Journal of materials science >Development of a electrochemical sensor for the detection of 2,4-dichlorophenol using a polymer nanocomposite of rGO
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Development of a electrochemical sensor for the detection of 2,4-dichlorophenol using a polymer nanocomposite of rGO

机译：使用rGO的聚合物纳米复合材料开发用于检测2,4-二氯苯酚的电化学传感器

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摘要

In this work, an eco-friendly and cost effective synthesis of reduced graphene oxide (rGO) using Carica papaya fruit extract as reducing agent was accomplished. A composite using the synthesized rGO and molecularly imprinted polymers (MIPs) was designed. This MIPs microgel was synthesized by a simple method with 2,4-dcp (2,4-dichlorophenol) as a template and Carica papaya reduced graphene oxide (PRGO) as the functional monomer. The synthesized polymer composite was characterized by Fourier transform infrared spectrocopy, X-ray diffraction and scanning electron microscopy techniques. The electrochemical study was carried out by employing the cyclic voltammetry technique. The influencing parameters were optimized. The modified electrode showed good linear relationship in the concentration range of 0.02 to 2.0 mu mol L-1 for 2,4-dcp with a limit of quantification as 0.04 mu mol L-1. This developed sensor was found to be suitable to sense 2,4-dcp in real water samples, collected from the agricultural lands.
机译：在这项工作中，使用番木瓜果实提取物作为还原剂，完成了环保，经济高效的氧化石墨烯（rGO）的合成。设计了一种使用合成的rGO和分子印迹聚合物（MIP）的复合材料。该MIPs微凝胶通过简单的方法合成，以2,4-dcp（2,4-二氯苯酚）为模板，番木瓜还原氧化石墨烯（PRGO）为功能单体。通过傅立叶变换红外光谱，X射线衍射和扫描电子显微镜技术对合成的聚合物复合材料进行了表征。电化学研究是采用循环伏安法进行的。优化了影响参数。对于2，4-dcp，修饰电极在0.02至2.0μmolL-1的浓度范围内显示出良好的线性关系，定量极限为0.04μmolL-1。发现这种发达的传感器适用于感测从农田中收集的真实水样中的2,4-dcp。

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