Journal
ADVANCED MATERIALS
Volume 33, Issue 17, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202007973
Keywords
2D materials; carbides; mechanical properties; MXenes; tribology
Categories
Funding
- Department of Mechanical and Energy Engineering and Purdue School of Engineering and Technology at IUPUI
- University of Chile [UI013/2018]
- CONICYT-ANID within the project Fondecyt [11180121]
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MXenes, as two-dimensional materials, have wide applications in energy, electronics, sensors, etc., with their mechanical properties, flexibility, and strong adhesion playing key roles. Despite the critical nature of MXenes' performance, further exploration is needed in understanding their mechanical and tribological behavior.
2D transition metal carbides, nitrides, and carbonitrides, known as MXenes, were discovered in 2011 and have grown to prominence in energy storage, catalysis, electromagnetic interference shielding, wireless communications, electronic, sensors, and environmental and biomedical applications. In addition to their high electrical conductivity and electrochemically active behavior, MXenes' mechanical properties, flexibility, and strong adhesion properties play crucial roles in almost all of these growing applications. Although these properties prove to be critical in MXenes' impressive performance, the mechanical and tribological understanding of MXenes, as well as their relation to the synthesis process, is yet to be fully explored. Here, a fundamental overview of MXenes' mechanical and tribological properties is provided and the effects of MXenes' compositions, synthesis, and processing steps on these properties are discussed. Additionally, a critical perspective of the compositional control of MXenes for innovative structural, low-friction, and low-wear performance in current and upcoming applications of MXenes is provided. It is established here that the fundamental understanding of MXenes' mechanical and tribological behavior is essential for their quickly growing applications.
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