MXene Synthesis and Carbon Capture Applications: Mini-Review

Area of Science:

• Materials Science
• Nanotechnology
• Chemical Engineering

Background:

• MXenes are 2D transition metal carbides, nitrides, and carbonitrides with significant potential in energy storage, electrocatalysis, and gas separation.
• Current MXene fabrication involves elemental assembly and selective M-A bond removal from MAX precursors.
• Further development is needed for efficient MXene-based technologies.

Purpose of the Study:

• To review MXene synthesis methods, including direct synthesis, wet etching, and molten salt etching.
• To highlight advancements in controlling MXene terminal groups for property tailoring.
• To emphasize MXenes' potential for carbon capture applications, particularly as adsorbents.

Main Methods:

• Analysis of direct synthesis techniques.
• Review of conventional chemical wet etching approaches.
• Examination of the molten salt etching technique.

Main Results:

• Synthesis methods vary, impacting MXene properties and suitability for specific applications.
• Precise control over terminal groups is achievable and crucial for material optimization.
• MXenes show promise as advanced adsorbents for carbon capture.

Conclusions:

• A comprehensive understanding of MXene synthesis is vital for advancing their applications.
• Tailoring MXene properties through controlled synthesis is key to unlocking their potential.
• MXene-based materials offer a promising avenue for developing efficient carbon capture solutions.