Physically Exfoliating 2D Materials: A Versatile Combination of Different Materials into a Layered Structure.

Area of Science:

• Materials Science
• Nanotechnology
• Energy Storage and Conversion

Background:

• Two-dimensional (2D) materials offer unique properties, but further enhancement is needed for advanced applications.
• Synergistic coupling of different 2D materials into nanohybrids significantly boosts properties beyond individual components.
• Existing challenges in scaling up production hinder the practical application of 2D nanohybrids.

Purpose of the Study:

• To provide an overview of physical exfoliation-based fabrication of 2D nanohybrids with controlled heterolayered structures.
• To highlight strategies for efficient, large-scale production of these advanced materials.
• To showcase the versatility and potential of 2D nanohybrids in energy-related applications.

Main Methods:

• Physical delamination and exfoliation techniques to separate 2D nanosheets into single or few layers.
• Strategies for fabricating heterolayered 2D nanohybrids, including coexfoliation, aqueous-phase synthesis, and gas-phase synthesis.
• Review of recent achievements and research examples demonstrating successful fabrication and application.

Main Results:

• Demonstrated advancements in the physical exfoliation-based fabrication of 2D nanohybrids.
• Identified efficient strategies for large-scale production of heterolayered 2D nanohybrids.
• Highlighted the significant potential of these nanohybrids in various energy applications.

Conclusions:

• Physical exfoliation is a viable approach for creating advanced 2D nanohybrids with tailored properties.
• Scalable synthesis methods are crucial for unlocking the full potential of 2D nanohybrids.
• 2D nanohybrids show great promise for next-generation energy technologies.