Graphene vs Carbon Nanotubes vs Aerogel vs Metamaterials
Advanced Materials Comparison
Comparison of 4 advanced materials — properties, manufacturing maturity, cost, and commercial applications.
GrapheneCNTsAerogelMetamaterials
Full Specification Comparison
| Specification | Graphene | CNTs | Aerogel | Metamaterials |
|---|---|---|---|---|
| Tensile Strength | 130 GPa | 63 GPa | Very low | N/A |
| Thermal Conductivity | 5,000 W/mK | 3,500 W/mK | 0.01-0.03 W/mK | Variable |
| Density | 0.77 mg/m² | 1.3 g/cm³ | 1-3 mg/cm³ | Variable |
| Production Cost | Medium | High | High | Very high |
| Commercial Products | 50+ | 30+ | 20+ | 10+ |
| Key Application | Electronics, composites | Composites, cables | Insulation | Optics, antennas |
| Manufacturing Maturity | Medium | Medium | Medium | Low |
Expert Verdict
Graphene leads in commercial applications with 50+ products; CNTs excel in composites and electronics; aerogels dominate insulation; metamaterials enable optical and RF innovations.
Subject Breakdown
Graphene
3 Category Wins
- ★ Tensile Strength: 130 GPa
- ★ Thermal Conductivity: 5,000 W/mK
- ★ Commercial Products: 50+
CNTs
0 Category Wins
Aerogel
1 Category Wins
- ★ Density: 1-3 mg/cm³
Metamaterials
0 Category Wins