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Related Experiment Video

Updated: Dec 20, 2025

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

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Continuous crystalline graphene papers with gigapascal strength by intercalation modulated plasticization.

Peng Li1, Mincheng Yang1, Yingjun Liu1

  • 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, 310027, Hangzhou, P. R. China.

Nature Communications
|May 29, 2020
PubMed
Summary

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Researchers developed a plasticization stretching method to transform soft graphene sheets into highly crystalline graphene paper. This new material exhibits exceptional strength, conductivity, and thermal properties, paving the way for advanced composites.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Polymer Science

Background:

  • Graphene possesses high in-plane strength but is limited by out-of-plane softness, leading to wrinkles that hinder crystalline order.
  • Achieving high crystalline order in graphene assemblies is crucial for leveraging its intrinsic properties but is challenging due to its softness.

Purpose of the Study:

  • To develop a method for controlling graphene's crystalline order by mitigating wrinkle formation.
  • To fabricate continuous graphene papers with enhanced mechanical and conductive properties.
  • To explore the application of these graphene papers in laminated composites.

Main Methods:

  • A continuous plasticization stretching method was employed to regulate spontaneous wrinkles in graphene sheets.
  • Intercalation modulated plasticization phenomenon was utilized to achieve crystalline orders.

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Last Updated: Dec 20, 2025

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  • Fabrication of continuous graphene papers and their characterization for mechanical and conductive properties.

    • Main Results:

    • Continuous graphene papers with a high Hermans' order of 0.93 were successfully fabricated.
    • The crystalline graphene paper demonstrated superior mechanical properties: 1.1 GPa tensile strength and 62.8 GPa stiffness.
    • Exceptional conductive properties were observed: 1.1 × 10^5 S/m electrical conductivity and 109.11 W/m·K thermal conductivity.
    • Ultrastrong graphene papers were integrated into laminated composites, yielding high strength with conductive and electromagnetic shielding capabilities.

    Conclusions:

    • Intercalation modulated plasticity is a key phenomenon for processing graphene assemblies.
    • The developed method enables the creation of high-performance graphene papers suitable for industrial applications.
    • This advancement opens possibilities for using graphene in metal- and plastic-like composite materials.