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Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
Published on: September 23, 2018
Graphene veils and sandwiches
Jong Min Yuk1, Kwanpyo Kim, Benjamín Alemán
1Department of Materials Science and Engineering, KAIST, Daejeon 305-701, Korea.
Nano Letters
|July 21, 2011
Summary
Researchers developed a versatile method for creating artificial layered materials, yielding "sandwich" or "veil" structures of graphene with various guest species for controlled interactions.
Area of Science:
- Materials Science
- Nanotechnology
- Chemical Engineering
Background:
- Artificial layered materials offer unique properties but their synthesis can be challenging.
- Graphene and other 2D materials provide atomically thin building blocks for novel material architectures.
Purpose of the Study:
- To develop a highly versatile and accessible approach for synthesizing artificial layered materials.
- To create novel graphene-based structures with tunable properties for controlling guest species.
Main Methods:
- Combines principles from molecular beam epitaxy, self-assembly, and graphite intercalation.
- Enables the formation of stacked graphene layers with diverse "guest" species in between.
- Facilitates the creation of both dense "sandwich" and sparse "veil" like structures.
Main Results:
- Successfully synthesized artificial layered materials with graphene sheets separated by various guest species.
- Demonstrated the ability to form "sandwich" structures with closely spaced guests and "veil" structures with individually encapsulated guests.
- Showcased the intermixing of veil and sandwich structures to create a 2D platform.
Conclusions:
- The new synthesis approach is highly versatile for creating advanced layered materials.
- The resulting materials can effectively control the movement and chemical interactions of encapsulated guest species.
- This platform opens new avenues for designing functional nanomaterials and devices.
