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Development of Long-Term Stable MXene-Based Gas Sensing Material
Jiabin Yang1,2, Qingfu Dai1,2, Haodong Wu1,2
1Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China.
Molecules (Basel, Switzerland)
|November 27, 2025
Summary
MXenes, novel 2D materials, show promise for gas sensors but degrade easily. This review details oxidation and strategies to enhance MXene stability for reliable gas sensing applications.
Area of Science:
- Materials Science
- Nanotechnology
- Environmental Science
Background:
- Industrial pollution necessitates advanced gas detection technologies.
- MXenes (novel 2D materials) offer excellent properties for gas sensing.
- MXene environmental degradation limits their application stability.
Purpose of the Study:
- To review MXene oxidation mechanisms in various environments.
- To summarize strategies for enhancing MXene stability in gas sensing.
- To provide perspectives on future MXene gas sensor development.
Main Methods:
- Literature review of MXene degradation and stability enhancement.
- Analysis of MXene oxidation processes.
- Systematic summary of stability improvement strategies.
Main Results:
- MXenes are prone to oxidation, impacting gas sensing performance.
- Preparation method optimization, surface modification, and composite construction enhance stability.
- Various strategies exist to improve MXene long-term stability.
Conclusions:
- Addressing MXene degradation is crucial for their widespread use in gas sensors.
- Further research is needed to develop highly stable MXene-based gas sensors.
- This review provides a roadmap for future stability enhancement efforts.
