MXenes: Synthetic Approaches and Sensing Advances

MXenes have received a lot of attention in the fields of sensors, biomedicine, electromagnetic shielding, and energy storage/conversion because of their specific characteristics such as availability of various functional groups, large surface area, large and variable interlayer spacing, excellent electrical conductivity, and mechanical properties. Further, MXenes are an outstanding material for sensor applications because of their distinctive surface properties, graphene-like shape, optimum hydrophilicity, superior biocompatibility, and ease of forming composite materials. A lot of work has been put into designing and synthesizing of different MXene-based sensors in recent times. This chapter briefly describes the synthetic approaches for the fabrication of various MXenes nanostructures for analytical applications. Then, this chapter focuses on the analytical applications of MXenes as fluorescence, electrochemical, and colorimetric sensing of various molecules. This chapter also briefly overviews the biosensing and bioimaging applications of MXenes. Lastly, current challenges and prospects of MXenes in interdisciplinary areas are summarized.