Related Experiment Video
Updated: Feb 22, 2026
14:52
Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
Published on: September 23, 2018
9.4K
Optical Forging of Graphene into Three-Dimensional Shapes
Andreas Johansson, Pasi Myllyperkiö, Pekka Koskinen
1Department of Physics, National Central University , Jungli, 32054, Taiwan, Republic of China.
Nano Letters
|September 20, 2017
Summary
Researchers developed a laser-based method to sculpt 3D graphene shapes, overcoming previous limitations of flat geometries. This breakthrough enables new possibilities for nanoscale device fabrication using atomically thin materials.
Area of Science:
- Materials Science
- Nanotechnology
- Physics
Background:
- Atomically thin materials like graphene are crucial for nanoscale devices.
- Current methods are limited to flat graphene geometries.
- Controlling the 3D morphology of graphene has been a significant challenge.
Purpose of the Study:
- To develop a method for creating controlled three-dimensional (3D) graphene structures.
- To overcome the limitations of synthesizing flat graphene materials.
- To enable new applications in nanoscale device fabrication.
Main Methods:
- Utilizing a pulsed laser beam to 'forge' graphene sheets into 3D shapes.
- Employing computer simulations based on thin sheet elasticity theory to confirm the mechanism.
- Investigating laser-induced local expansion of graphene.
Main Results:
- Demonstrated the ability to forge graphene into controlled 3D nanoscale shapes using a pulsed laser.
- Confirmed the forging mechanism involves laser-induced local expansion.
- Validated findings through theoretical simulations.
Conclusions:
- A novel laser-based technique allows for the precise 3D shaping of graphene.
- This method overcomes the historical constraint of flat geometries in graphene manipulation.
- The findings pave the way for advanced 3D nanoscale devices.
