Ti₃C₂T_X MXene for Sensing Applications: Recent Progress, Design Principles, and Future Perspectives.

Area of Science:

• Materials Science
• Nanotechnology
• Sensor Technology

Background:

• Sensors are crucial in modern technology (IoT, wearables, automation).
• Performance relies heavily on sensing materials.
• Layered nanomaterials, especially 2D materials like MXenes, offer superior properties over bulk counterparts.

Purpose of the Study:

• To review recent advancements in MXene-based sensors.
• To discuss the advantages of MXenes as sensing materials.
• To elucidate design principles and working mechanisms of MXene sensors.

Main Methods:

• Review of existing research on MXene-based sensors.
• Analysis of MXene properties relevant to sensing.
• Categorization of sensors based on working principles (strain, gas, electrochemical, optical, humidity).

Main Results:

• MXenes exhibit tunable properties and excellent mechanical strength, ideal for sensors.
• MXene-based sensors show promise across various applications including strain, gas, electrochemical, optical, and humidity detection.
• Design principles and working mechanisms are explored for different sensor types.

Conclusions:

• MXenes are highly promising materials for next-generation sensors.
• Further research is needed to address challenges and unlock full potential.
• MXene-based sensors are expected to play a significant role in future technological advancements.