MXene-based nanocomposites: a new horizon for electrochemical monitoring of environmental pollutants

Ali Hyder, Meher-Un-Nisa Khilji, Jamil A. Buledi, Ayaz Ali Memon, Azharuddin Ghanghro, Misbah ur Rehman and Khalid Hussain Thebo
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Abstract

MXenes, two-dimensional (2D) transition metal carbides and nitrides, have garnered attention due to their outstanding electrical conductivity, expansive surface area, and customizable surface chemistry and have been widely investigated for use in environmental sensors in recent years. This review presents a variety of methodologies for synthesizing MXene-based nanocomposites and their utilization as electrochemical sensors for the detection of environmental pollutants, including organic pesticides, antibiotic drugs, heavy metals, and synthetic phenolic compounds in real matrices. The review includes various synthesis approaches, which include a spectrum of techniques, such as chemical etching, intercalation, and surface modification, all directed at tailoring the properties of MXenes to optimize sensor functionality. Subsequently, the role of these MXene-based nanocomposites in electrochemical sensing will be discussed in detail. These sensors demonstrate exceptional sensitivity, selectivity, and swift responsiveness, positioning them as promising contenders for on-the-spot monitoring of pollutants. The specific emphasis on heavy metals tackles the pervasive concern of water contamination, while the identification of organic pesticides and antibiotic drugs addresses issues in agricultural and pharmaceutical wastewater. The electrochemical sensing capacities of MXene-based nanocomposites offer promising prospects for effective and portable devices for environmental monitoring. We believe this review will provide new ideas and research directions for readers working with sensor-based technologies.

mxene基纳米复合材料:环境污染物电化学监测的新领域
MXenes是一种二维(2D)过渡金属碳化物和氮化物,由于其出色的导电性、广阔的表面积和可定制的表面化学性质而引起了人们的关注,近年来在环境传感器中得到了广泛的研究。本文综述了基于mxene纳米复合材料的各种合成方法及其在实际基质中作为检测环境污染物的电化学传感器的应用,包括有机农药、抗生素药物、重金属和合成酚类化合物。该综述包括各种合成方法,包括一系列技术,如化学蚀刻、插层和表面改性,所有这些都是为了定制MXenes的特性,以优化传感器的功能。随后,将详细讨论这些mxene基纳米复合材料在电化学传感中的作用。这些传感器表现出卓越的灵敏度、选择性和快速反应,使它们成为现场监测污染物的有希望的竞争者。对重金属的特别强调解决了水污染的普遍关注,而有机农药和抗生素药物的鉴定解决了农业和制药废水中的问题。mxene基纳米复合材料的电化学传感能力为高效、便携的环境监测设备提供了广阔的前景。我们相信这篇综述将为使用传感器技术的读者提供新的思路和研究方向。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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