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Network Covalent Solids

Network Covalent Solids

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 18, 2026

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

Published on: September 23, 2018

Graphene from molecules.

Armin Gölzhäuser¹

¹Physics of Supramolecular Systems and Surfaces, University of Bielefeld, Universitätsstrasse 25, 33615 Bielefeld, Germany. ag@uni-bielefeld.de

Angewandte Chemie (International Ed. in English)

|September 25, 2012

Summary

The molecular approach synthesizes high-quality graphene through precursor cross-linking and pyrolysis. This efficient method is key for developing advanced graphene applications.

Area of Science:

Materials Science
Chemical Engineering

Background:

The molecular approach offers a pathway for synthesizing graphene.
This method involves cross-linking precursor molecules into 2D intermediates.

Discussion:

Pyrolysis is the critical step that converts intermediates into graphene.
This technique facilitates the production of high-quality graphene materials.

Key Insights:

Efficient synthesis of high-quality graphene is achieved.
The molecular approach is vital for innovative graphene applications.

Outlook:

Further research can optimize this synthesis for industrial scalability.
This method holds promise for next-generation electronic and composite materials.

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