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Related Experiment Video

Updated: Apr 21, 2026

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
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Stitching graphene oxide sheets into a membrane at a liquid/liquid interface.

Long Chen1, Liangliang Huang, Jiahua Zhu

  • 1Intelligent Composites Laboratory, Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH 44325, USA. jzhu1@uakron.edu.

Chemical Communications (Cambridge, England)
|November 11, 2014
PubMed
Summary

Researchers created patterned graphene oxide (GO) membranes at liquid interfaces using polyetheramine molecules. Membrane thickness is tunable from nanometers to micrometers by controlling reaction conditions.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemical Engineering

Background:

  • Graphene oxide (GO) membranes are promising for separation technologies.
  • Controlling membrane thickness and patterning is crucial for performance.
  • Existing methods for GO membrane fabrication can be complex.

Purpose of the Study:

  • To develop a novel method for fabricating layer-by-layer patterned GO membranes.
  • To utilize polyetheramine molecules for controlled assembly at liquid/liquid interfaces.
  • To demonstrate the tunability of membrane thickness via reaction kinetics.

Main Methods:

  • Layer-by-layer assembly of GO at a liquid/liquid interface.
  • Employing polyetheramine with adjustable hydrophobicity as "stitching" molecules.

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  • Modulating reactant concentration, reaction time, and temperature to control kinetics.

    • Main Results:

    • Successful fabrication of patterned GO membranes using the proposed method.
    • Demonstrated adjustable hydrophobicity of polyetheramine for controlled assembly.
    • Achieved tunable membrane thickness ranging from nanometers to micrometers.
    • Established correlation between reaction kinetics and resulting membrane thickness.

    Conclusions:

    • The liquid/liquid interface assembly method using polyetheramine offers precise control over GO membrane patterning and thickness.
    • This technique provides a versatile platform for designing advanced GO-based separation materials.
    • Tunable thickness via reaction kinetics opens possibilities for tailored membrane performance in various applications.