Science & Nature · 3
Which carbon allotrope is 100-300 times stronger than steel and conducts electricity better than copper?
Answer
Graphene
Graphene is a single layer of carbon atoms arranged in a honeycomb lattice, making it the thinnest two-dimensional material known with extraordinary properties. It has tensile strength of 130 GPa and Young's modulus of 1 TPa—100-300 times stronger than steel. Graphene also exhibits electron mobility exceeding 200,000 cm²·V⁻¹·s⁻¹ and thermal conductivity up to 5,300 W·m⁻¹·K⁻¹, enabling applications in electronics, sensors, energy storage, and biomedical fields.
💡 Did you know?
A graphene sheet one atom thick would still be stiff enough to support an elephant balanced on a pencil.
Other options people guess
- Diamond
- Graphite
- Buckminsterfullerene
Topics
- materials-science
- carbon-allotropes
- nanotechnology
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