Ti₃C₂T MXene-Based Flexible Piezoresistive Physical Sensors

Area of Science:

• Materials Science
• Nanotechnology
• Sensor Technology

Background:

• MXenes possess unique 2D layered structures, high conductivity, hydrophilicity, and large surface areas.
• These properties make MXenes highly competitive for flexible piezoresistive sensor applications.

Purpose of the Study:

• To review the preparation, properties, and assembly methods of MXenes.
• To summarize recent developments in MXene-based flexible piezoresistive sensors.
• To discuss future trends, opportunities, and challenges for MXene pressure sensors.

Main Methods:

• Literature review of MXene synthesis and characterization.
• Analysis of MXene assembly strategies for sensor fabrication.
• Categorization of MXene sensors based on structure (1D, 2D, 3D).

Main Results:

• MXenes exhibit excellent performance in flexible piezoresistive sensors.
• MXene sensors are classified into fibrous, planar, and 3D structures.
• Multifunctional integration trends in MXene pressure sensors are identified.

Conclusions:

• MXenes show great potential for advanced pressure sensor applications.
• Further research is needed to overcome challenges and realize MXenes' full capabilities.
• The unique properties of MXenes position them for significant advancements in sensor technology.