Table 1 Calculated data of (5,5) SWNT, cumulene, and polyyne
From: A one-dimensional extremely covalent material: monatomic carbon linear chain
Diamond | Graphene | (5,5) SWNT | Cumulene | Polyyne | |
---|---|---|---|---|---|
Bond length (nm) | 0.154 | 0.142 | 0.1419 | 0.1264/0.1476 | 0.1404 |
Gibbs free energy (KJ/mol) | - | - | -4,502.4 | -19,678.2 | -14,777.9 |
Density (g/cm3) | 3.52 | 2.23 | 1.58 | 1.24 | 1.28 |
Young's modulus (TPa) | 1.050 | - | 0.805 | 0.760 | 1.304 |
Specific heat capacity (J/g·K) (300 K) | - | - | 0.174 | 1.307 | 1.162 |
Bandgap (eV) | 5.450 | 0.000 | 0.000 | 1.859 | 0.000 |
Electron mobility (cm2/V·s) | 2200 | 200,000 | 100,000 | Very high? | Highest? |