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Orientation Engineering of MXene Flakes.
Yizhou Wang1,2, Shuo Li2, Tianchao Guo2
1Center for Renewable Energy and Storage Technologies (CREST), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia.
Advanced Materials (Deerfield Beach, Fla.)
|March 30, 2026
Summary
Engineering the orientation of 2D MXene flakes in materials like films and fibers significantly enhances electrical, ionic, and mechanical properties. This controlled alignment unlocks new possibilities for advanced MXene-based devices.
Area of Science:
- Materials Science
- Nanotechnology
- 2D Materials
Background:
- MXenes (2D transition-metal carbides, nitrides, carbonitrides) offer metallic conductivity and tunable surfaces for diverse applications.
- Conventional MXene optimization focuses on composition and defects, but flake orientation is a new frontier.
Purpose of the Study:
- To systematically review the engineering of MXene flake orientation.
- To cover fundamental properties, characterization, fabrication, applications, and future design opportunities.
Main Methods:
- Review of existing literature on MXene orientation engineering.
- Analysis of structure-property relationships in oriented MXene systems.
- Synthesis of fabrication techniques and characterization methods.
Main Results:
- Engineered MXene orientation creates anisotropic structures with optimized transport pathways.
- Oriented MXene structures show superior electrical, ionic, and mechanical performance compared to disordered ones.
- Flake alignment enables tailored macroscopic properties for devices.
Conclusions:
- MXene flake orientation engineering is a key strategy for enhancing material performance.
- This approach offers new avenues for designing next-generation MXene-based devices.
- Further research into orientation control will drive innovation in functional systems.
