基于MXene的电化学传感研究进展

Research progress in electrochemical sensors based on MXene

MXene是一种早期过渡金属碳化物、氮化物或碳氮化物组成的二维(2D)层状材料。由于MXene具有独特的层状形态、高电导率、高比表面积、优异的亲水性和良好的热稳定性等特性,在物理、化学和纳米技术领域具有广阔的应用前景,可应用于催化、储能和传感器等多种科学领域。本文主要综述基于MXene的电化学传感器的研究进展,介绍电化学传感器的原理、构成,传感界面修饰和MXene制备方法,着重讨论MXene在电化学酶传感器、电化学非酶传感器、电化学免疫传感器、电化学适体传感器和电化学分子印迹传感器方面的研究进展,指出MXene电化学传感领域工业化和商业化利用不足、新种类MXene开发的挑战,对其在各类分析物检测、更多潜在领域的应用进行展望。

MXene is a two-dimensional(2D)layered material composed of early transition metal carbides,nitrides and carbonitride.Due to MXene’s unique layered morphology,high electrical conductivity,high specific surface area,excellent hydrophilicity and good thermal stability,it has broad application prospect in the fields of physics,materials,chemistry and nanotechnology.It can also be used in a variety of scientific fields such as catalysis,energy storage and sensors.This paper mainly reviews the research progress in electrochemical sensors based on MXene.Firstly,the principle,composition,electrode surface modification of electrochemical sensors and the preparation methods of MXene were introduced.Then,the research progress of MXene in electrochemical enzyme sensors,electrochemical non-enzyme sensors,electrochemical immunosensors,electrochemical aptamer sensors and electrochemical molecularly imprinted sensors were reviewed.Finally,the industrialization and commercialization of MXene electrochemical sensing field,and the challenges of the development of new types of MXene were pointed out.The applications of MXene in various analytes and more potential fields were also prospected.