Adsorption energy (Ead), transferred charge (ΔQ) and the shortest distance (D) from molecule to monolayer, band gap (Eg), work function (Φ), and recovery time (τ) for VOC molecules adsorbed on the C6N7 monolayer.
| System | E ad (eV) | ΔQ (e) | D (Å) | E g (eV) | Φ (eV) | τ (s) |
|---|---|---|---|---|---|---|
| Toluene-1 | −0.956 | 0.009 | 2.769 | 1.000 | 6.422 | 1.2 × 104 |
| Toluene-2 | −0.771 | −0.09 | — | 0.003 | 5.415 | 9.1 |
| Benzene-1 | −0.787 | 0.014 | 3.025 | 1.157 | 6.585 | 16.4 |
| Benzene-2 | −0.687 | −0.162 | — | 0 | 5.442 | 0.3 |
| Vinyl chloride-1 | −0.812 | 0.168 | 2.981 | 1.187 | 6.639 | 44 |
| Vinyl chloride-2 | −0.771 | 0.155 | 1.422 | 0.564 | 6.041 | 8.9 |
| Ethane-1 | −0.424 | −0.048 | 2.564 | 1.191 | 6.612 | 1.3 × 10−5 |
| Ethane-2 | −0.034 | −0.004 | 2.998 | 1.185 | 6.639 | 3.8 × 10−12 |
| Acetone-1 | −0.704 | −0.071 | 2.734 | 0.313 | 5.605 | 0.7 |
| Acetone-2 | −0.580 | −0.028 | — | 0.005 | 5.442 | 5 × 10−3 |
| Ethanol-1 | −0.601 | −0.060 | 3.226 | 0.778 | 6.258 | 2 × 10−2 |
| Ethanol-2 | −0.519 | −0.099 | — | 0.123 | 5.551 | 5 × 10–4 |
| Acetaldehyde-1 | −0.586 | −0.014 | — | 0.136 | 5.578 | 6 × 10−3 |
| Acetaldehyde-2 | −0.571 | −0.015 | 3.184 | 0.811 | 6.232 | 3 × 10−3 |
| Methanal-1 | −0.459 | 0.005 | 2.572 | 0.984 | 6.394 | 5.3 × 10−5 |
| Methanal-2 | −0.436 | −0.045 | — | 0.069 | 5.524 | 2.1 × 10−5 |