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Related Experiment Video

Updated: May 31, 2026

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
14:52

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

Published on: September 23, 2018

Bi- and trilayer graphene solutions.

Chih-Jen Shih1, Aravind Vijayaraghavan, Rajasekar Krishnan

  • 1Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.

Nature Nanotechnology
|June 28, 2011
PubMed
Summary

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Researchers developed a new solution-phase method to produce large quantities of bilayer and trilayer graphene with controlled stacking. This breakthrough enables scalable production of high-quality graphene for advanced nanoelectronics applications.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Condensed Matter Physics

Background:

  • Bilayer and trilayer graphene are crucial for post-silicon nanoelectronics.
  • Current methods struggle with large-scale, controlled stacking production of these graphene types.

Purpose of the Study:

  • To develop a scalable solution-phase technique for producing bilayer and trilayer graphene with controlled stacking.
  • To enable high-throughput production and functionalization for nanoelectronic applications.

Main Methods:

  • Utilizing ionic compounds (iodine chloride or iodine bromide) to intercalate graphite, forming controlled graphite intercalation compounds.
  • Employing mild sonication to exfoliate intercalated graphite into graphene flakes.
  • Separating and enriching bilayer or trilayer graphene from the solution dispersion.

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Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
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Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

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Last Updated: May 31, 2026

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
14:52

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

Published on: September 23, 2018

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

Main Results:

  • Achieved production of large-area graphene flakes (up to 50 µm²) with controlled stacking.
  • Demonstrated superior electronic properties in unannealed samples (resistivity ~1 kΩ, hole mobility ~400 cm²/V·s).
  • Developed a solution-based process amenable to high-throughput production and transfer.

Conclusions:

  • The novel intercalation and sonication method provides a scalable route to controlled-stacking few-layer graphene.
  • This technique overcomes limitations in current graphene production, paving the way for advanced nanoelectronic devices.
  • The process facilitates easier functionalization and substrate transfer, broadening application possibilities.