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Updated: Jun 11, 2026
Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
Published on: September 23, 2018
Self-assembled graphene hydrogel via a one-step hydrothermal process.
Yuxi Xu1, Kaixuan Sheng, Chun Li
1Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China.
Researchers developed a novel self-assembled graphene hydrogel (SGH) using a simple hydrothermal method. This electrically conductive, mechanically robust material shows promise for applications in biotechnology and energy storage, like supercapacitors.
Area of Science:
- Materials Science
- Nanotechnology
- Chemistry
Background:
- Two-dimensional graphene sheets self-assembly is key for macroscopic architectures like films and papers.
- Creating three-dimensional graphene networks via self-assembly has remained a challenge.
Purpose of the Study:
- To develop a novel three-dimensional graphene macrostructure.
- To investigate the properties and potential applications of the new structure.
Main Methods:
- A convenient one-step hydrothermal method was employed.
- The self-assembled graphene hydrogel (SGH) was synthesized.
Main Results:
- The SGH demonstrated excellent electrical conductivity, mechanical strength, and thermal stability.
- The material exhibited high specific capacitance.
- Inherent biocompatibility of the carbon material was observed.
Conclusions:
- The developed SGH is a high-performance, three-dimensional graphene material.
- Its properties make it suitable for advanced applications in biotechnology (drug delivery, tissue scaffolds) and electrochemistry (supercapacitors).
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