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Related Experiment Video

Updated: Oct 11, 2025

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
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Precise Thermoplastic Processing of Graphene Oxide Layered Solid by Polymer Intercalation.

Zeshen Li1, Fan Guo2,3, Kai Pang1

  • 1MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Key Laboratory of Adsorption and Separation Materials & Technologies of Zhejiang Province, Zhejiang University, 38 Zheda Road, Hangzhou, 310027, People's Republic of China.

Nano-Micro Letters
|December 4, 2021
PubMed
Summary
This summary is machine-generated.

Precise thermoplastic forming of graphene oxide (GO) solids is achieved by polymer intercalation. This method enables the creation of complex 3D graphene structures with high electrical and thermal conductivity.

Keywords:
Graphene materialsPolymer intercalationProcessing capabilityStructural designThermoplastic forming

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Polymer Science

Background:

  • Graphene-based materials offer excellent mechanical and functional properties for structural applications.
  • Conventional graphene solids possess limited deformability and processibility, hindering precise forming.
  • Developing advanced processing techniques is crucial for realizing the full potential of graphene materials.

Purpose of the Study:

  • To present a novel precise thermoplastic forming method for graphene materials.
  • To investigate the role of polymer intercalation in enabling thermoplasticity in graphene oxide (GO) solids.
  • To establish criteria for thermal plastic forming of GO solids and demonstrate its capabilities.

Main Methods:

  • Polymer intercalation into graphene oxide (GO) precursor to create GO-composite solids.
  • Thermally activated motion of polymer chains to induce thermoplasticity.
  • Thermoplastic forming to create Gaussian curved shapes and imprint surface relief patterns.
  • Characterization of electrical and thermal conductivity of the formed structures.

Main Results:

  • A critical minimum of intercalated polymer was identified to expand interlayer spacing and activate thermoplasticity.
  • GO-composite films were precisely forged into Gaussian curved shapes with surface relief patterns down to 360 nm.
  • The plastic-formed structures retained excellent electrical (3.07 × 10^5 S m^-1) and thermal conductivity (745.65 W m^-1 K^-1) after polymer removal.

Conclusions:

  • Precise thermoplastic forming of GO materials is achievable through polymer intercalation.
  • This strategy significantly enhances the forming capability of GO and other layered materials.
  • The developed method enables versatile structural designs for broader applications of graphene-based materials.