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Updated: May 17, 2026

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle
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High-performance nanopapers based on benzenesulfonic functionalized graphenes.

Wenyi Huang1, Xilian Ouyang, L James Lee

  • 1Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, Ohio 43210, United States.

ACS Nano
|October 27, 2012
PubMed
Summary

Researchers developed high-performance graphene nanopapers using functionalized graphene and benzenesulfonic acid. These materials exhibit superior strength and conductivity, surpassing previous records for advanced applications.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Polymer Chemistry

Background:

  • Graphene nanopapers are promising materials for various applications due to their unique properties.
  • Existing methods for graphene nanopaper fabrication often face limitations in achieving high mechanical and electrical performance.
  • Functionalization of graphene is a key strategy to enhance its properties and processability.

Purpose of the Study:

  • To develop high-performance graphene nanopapers with enhanced mechanical strength and electrical conductivity.
  • To investigate the influence of functional group density and annealing temperature on the properties of graphene nanopapers.
  • To explore the potential applications of these advanced graphene nanopapers.

Main Methods:

  • Preparation of functionalized graphene using benzenesulfonic acid groups via covalent bonds in an aqueous solution.

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  • Fabrication of graphene nanopapers from the functionalized graphene solution.
  • Annealing of the nanopapers at different temperatures (150 °C and 250 °C).
  • Characterization of nanopaper properties using tensile strength, Young's modulus, electrical conductivity, X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD).

    • Main Results:

    • The hydrophobic graphene nanopapers achieved a tensile strength of 360 MPa and a Young's modulus of 102 GPa with 13.7 wt% functional groups annealed at 150 °C.
    • Electrical conductivity reached 4.45 × 10(4) S/m after annealing at 250 °C.
    • These properties significantly exceed previously reported data for graphene-based materials.
    • Characterization confirmed the dependence of nanopaper properties on functionalization degree and annealing temperature.

    Conclusions:

    • High-performance graphene nanopapers with exceptional mechanical and electrical properties were successfully prepared.
    • The developed functionalization and annealing strategy offers a pathway to tailor graphene nanopaper characteristics.
    • These advanced nanopapers hold significant potential for applications including gas diffusion barriers, EMI shielding, thermal management, and anticorrosion.