Research Article
Piezoelectric and Dielectric Characterization of MWCNT-Based Nanocomposite Flexible Films
Table 1
Unique mechanical and electrical properties of carbon nanotubes as compared to other electrically conductive materials [
30,
61–
71].
| Material | Density (g/cm3) | Young’s modulus (TPa) | Yield strength (GPa) | Electrical resistivity (10 × 10−8 Ohm·m) | Electrical conductivity (10 × 106 S/m) |
| Single-walled carbon nanotube (bundles) | 1.3–2 | 0.9–1.1 (variation due to tube diameter) | 3–25 (variation due to tube diameter) | 1.0–10.0 | 1–10 | Multiwalled carbon nanotubes (bundles) | 1.3–2 | 0.8–1.5 (variation due to the number of tubes) | 20–60 (variation due to the number of tubes) | 1.0–10.0 | 1–10 | Silver | 10.4 | 0.083 | 0.054 | 1.6 | 63 | Copper | 8.9 | 0.125 | 0.069 | 1.7 | 59.6 | Stainless Steel | 7.8 | 0.2 | 4.1 | 73.0–78.0 | 2.0–8.5 | Carbon fiber | 1.7–2 | 0.2–0.6 | 1.7–5 | 80.0–163.0 | 1.45 | Gold | 19.4 | 0.076–0.081 | 0.10–0.22 | 2.3 | 44.2 | Aluminum | 2.7 | 0.069 | 0.007–0.011 | 2.7 | 36.9 |
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