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Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

Published on: September 23, 2018

Self-Folded Three-Dimensional Graphene with a Tunable Shape and Conductivity.

Tetsuhiko F Teshima¹, Calum S Henderson^1,2, Makoto Takamura¹

¹NTT Basic Research Laboratories , NTT Corporation , 3-1 Morinosato Wakamiya , Atsugi , Kanagawa 243-0198 , Japan.

|December 12, 2018

Summary

Researchers created 3D graphene architectures using monolayer graphene transfer. This method allows for controlled self-rolling of polymeric films, enabling novel flexible electronics and biointerfaces.

Keywords:

Self-folding graphene nonlinear conductivity parylene

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Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Published on: November 5, 2015

Area of Science:

Materials Science
Nanotechnology
Polymer Science

Background:

Three-dimensional (3D) graphene architectures are crucial for advanced applications like flexible electronics and biointerfaces.
Current methods for fabricating 3D graphene structures can be complex and limited in scope.

Purpose of the Study:

To demonstrate a facile method for creating predetermined 3D polymeric microstructures using monolayer graphene transfer.
To explore the control over 3D geometries through micropatterning and film thickness variations.
To investigate the relationship between strain in graphene and nonlinear electrical conductivity.

Main Methods:

Transferring monolayer graphene onto polymeric films via noncovalent π-π stacking.
Inducing sloped internal strain in graphene to promote self-rolling of polymeric microstructures.
Utilizing micropatterns and varied film thicknesses to control the final 3D geometries.

Main Results:

Successfully fabricated predetermined 3D polymeric microstructures through graphene transfer.
Demonstrated control over the resulting 3D geometries by manipulating film properties before self-rolling.
Observed nonlinear electrical conductivity in the strained graphene, linked to molecular reconfiguration.

Conclusions:

The developed method offers an effective and versatile route to 3D graphene structures.
This approach is potentially extendable to other 2D layered materials and flexible polymeric templates.
The self-rolling mechanism driven by molecular reconfiguration opens new avenues in materials design.