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Related Experiment Video

Updated: Sep 19, 2025

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
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Universal Coating Strategy Breaks Stability-Performance Trade-Off in Macroscopic Graphene Films.

Mingyang Tanwei1,2, Zibo Chen1,2, Yunfa Si1,2

  • 1Sanya Science and Education Innovation Park of Wuhan University of Technology, Sanya 572000, China.

ACS Applied Materials & Interfaces
|June 10, 2025
PubMed
Summary

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This summary is machine-generated.

Researchers developed a novel coating for macroscopic graphene films (MGFs) to improve surface stability. This interface engineering strategy enhances adhesion while preserving excellent electrical and thermal conductivity for advanced applications.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Surface Chemistry

Background:

  • Macroscopic graphene films (MGFs) offer exceptional electrical and thermal conductivity, making them promising for energy storage, thermal management, and flexible electronics.
  • High graphitization in MGFs results in surface fragility due to weak interlayer interactions, limiting their practical performance and stability.

Purpose of the Study:

  • To develop an interface engineering strategy for MGFs to enhance surface stability.
  • To maintain the ultrahigh electrical and thermal conductivities of MGFs after surface modification.
  • To provide a scalable solution for improving MGF applications in industry.

Main Methods:

  • Employed a surfactant-enhanced interface self-assembly strategy to create a 5 nm thick Triton X-100-enhanced graphene oxide coating on MGF (MGF@TGO).
Keywords:
macroscopic graphene filmsurface stabilitysurfactant-enhanced interface self-assembly strategy

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  • Utilized depth profiling characterizations to analyze the surface strengthening mechanisms, including hydrogen bonding and π-π stacking.
  • Tested the stability of MGF@TGO under simulated operating conditions to evaluate its performance as a thermal management unit.

    • Main Results:

    • The MGF@TGO exhibited a 206.36% increase in surface adhesion.
    • Over 99% of the original electrical and thermal conductivities were preserved after coating.
    • The modified MGF@TGO demonstrated excellent stability without surface detachment under simulated operating conditions.
    • The interface engineering strategy proved universally applicable to various aromatic-polar amphiphilic surfactants.

    Conclusions:

    • The developed interface engineering strategy successfully balances enhanced surface stability with minimal performance loss in MGFs.
    • The MGF@TGO serves as a robust thermal management material with improved durability.
    • This approach offers a scalable and versatile solution for advancing MGF applications in diverse industrial fields.