DFT(+U), VASP, PAW, PBE, HSE06 check, Bader charge analysis
DFT Cu-TCNQ/Cu-BPyDC phase-I interface model · Model
U = 5 eV, J = 1 eV (Ueff = 4.0 eV); phase-I Cu-BPyDC bottom layer and Cu-TCNQ top layer; interface C236H200N48O64Cu16.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Phase-I interface net charge density accumulation | 0.0026 e/A3 | — | — | Text Approximate | 6 · Discussion · Supplementary Table 3 |
| Charge percolation distance from interface | about 7 A | — | — | Text Approximate | 6 · Discussion · Fig. 6c |
| Phase-I interface total effective chargeMarked as a best value within this paper | 3.52 e per interfacial unit cell | — | — | SI Table Exact Reported | 21 · Supplementary Table 3 · Supplementary Table 3 |
| Calculated Cu-BPyDC band gap | 2.7 eV | — | — | Text Rounded Reported | 5 · Discussion · Supplementary Fig. 14 |
| Calculated Cu-TCNQ band gap | 2.1 eV | — | — | Text Rounded Reported | 5 · Discussion · Supplementary Fig. 14 |
| Phase-I interface finite density of states at Fermi level | finite DOS at EF; new large peak at EF | — | — | Qualitative Qualitative | 6 · Discussion/Fig. 6 · Fig. 6b |
| DFT phase-I interface lattice constants | a = 15.60 A, b = 15.17 A, c = 30.48 A, alpha = beta = gamma = 90 degrees | — | — | SI Table Exact Reported | 19 · Supplementary Table 1 · Supplementary Table 1 |