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Related Experiment Video

Updated: Aug 24, 2025

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
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Structural Manipulation of 3D Graphene-Based Macrostructures for Water Purification.

Zijun Yu1,2,3, Li Wei1, Lun Lu4

  • 1State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental Science and Engineering, Tiangong University, Tianjin 300387, China.

Gels (Basel, Switzerland)
|October 26, 2022
PubMed
Summary

Three-dimensional graphene-based macrostructures (GBMs) offer advanced water purification solutions. Their unique structure and properties enable efficient pollutant removal, catalysis, and desalination, making them promising for environmental applications.

Keywords:
3D grapheneadsorptioncatalysisstructural manipulationwater purification

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Area of Science:

  • Environmental Science
  • Materials Science
  • Nanotechnology

Background:

  • Graphene-based nanotechnologies are rapidly advancing for environmental applications, particularly water treatment.
  • Three-dimensional graphene-based macrostructures (GBMs) show significant promise for practical water purification due to their porous structure and morphology.
  • GBMs retain graphene's advantages while offering enhanced properties through structural design.

Purpose of the Study:

  • To review recent advances in surface modification and geometrical control of 3D GBMs.
  • To discuss the applications of 3D GBMs in various water purification processes.
  • To propose future challenges and prospects for 3D GBMs in water purification.

Main Methods:

  • Surface modification techniques including chemical doping, wettability control, and surface charge adjustment.
  • Geometrical control strategies such as porous structure design, oriented arrangement, and shape/density optimization.
  • Review of applications in pollutant adsorption, advanced oxidation catalysis, and capacitive desalination.

Main Results:

  • 3D GBMs exhibit excellent performance in pollutant abatement (organic pollutants, heavy metal ions) and are easily recyclable.
  • Surface modification and geometrical control are crucial for optimizing GBMs' water purification capabilities.
  • Applications span adsorption, photocatalysis, Fenton-like advanced oxidation, and capacitive desalination.

Conclusions:

  • Rational design of 3D GBMs is key to unlocking their full potential in water purification.
  • 3D GBMs represent a versatile platform for addressing diverse water contamination challenges.
  • Further research is needed to overcome challenges and expand the application scope of 3D GBMs.