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Related Concept Videos

Network Covalent Solids02:18

Network Covalent Solids

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Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
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Related Experiment Video

Updated: May 1, 2026

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies
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Functional gels based on chemically modified graphenes.

Chun Li1, Gaoquan Shi

  • 1Department of Chemistry, Tsinghua University, Beijing, 100084, People's Republic of China.

Advanced Materials (Deerfield Beach, Fla.)
|March 25, 2014
PubMed
Summary
This summary is machine-generated.

Chemically modified graphene (CMG) materials can form functional gels, overcoming restacking issues to enhance performance in energy, catalysis, and environmental applications. This review covers CMG gel synthesis, formation mechanisms, and diverse applications.

Keywords:
chemically modified graphenesenergy storage and conversiongelation

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemistry

Background:

  • Chemically modified graphene (CMG) exhibits unique properties for energy, catalysis, and environmental applications.
  • CMG sheets tend to restack, reducing surface area and hindering performance.
  • 3D interconnected porous microstructures are crucial for unlocking CMG's full potential.

Purpose of the Study:

  • To review recent advancements in synthesizing CMG-based functional gels.
  • To discuss the mechanisms underlying CMG gel formation.
  • To highlight the diverse applications of these advanced materials.

Main Methods:

  • Synthesis of CMG-based hydrogels, organogels, and aerogels.
  • Fabrication of composite materials incorporating CMGs.
  • Analysis of gelation mechanisms and structural properties.

Main Results:

  • Successful fabrication of various CMG-based functional gels (hydrogels, organogels, aerogels, composites).
  • Demonstrated control over 3D porous microstructures for enhanced CMG properties.
  • Identified key gelation mechanisms enabling material design.

Conclusions:

  • CMG-based functional gels effectively address restacking limitations.
  • These gels offer significant promise for energy storage, catalysis, and environmental remediation.
  • Further research into gel formation and applications will drive innovation.