Table 1 Comparison of the activation barriers governing graphene growth on different substrates.
From: Growth, Quantitative Growth Analysis and Applications of Graphene on γ-Al2O3 catalysts
Ead [eV] | Ed [eV] | Edes [eV] | Eatt[eV] | C solubility [at%] | Ec of Ns[eV] | Ea of J [eV] | Growth mechanism | |
|---|---|---|---|---|---|---|---|---|
γ-Al2O3 | 0.88 | 0 | 4.15 | 0.21 | NONEa) | 0.21f) | 6.96g) | Surface |
0.22g) | adsorption | |||||||
Cu | 3.4~4.145 | 0.06~0.746 | 645 | 0.2d),39 | 0.001a),32 | 1f)39 | 19.2g) | Surface |
1.1d),g), 0.46e),g) | adsorption | |||||||
Ni | 0.74b,47 | 6.28b),49 | 0.239 | 1.3a),32 | 0.05g) | 11.08g) | Segregation or precipitation | |
6.76c),49 |