Table 1 Summarized photoelectric properties for the CQD solids prepared under different conditions.
From: The effect of water on colloidal quantum dot solar cells
Deposition Condition | First excitonic peak (meV) | PL peak position (meV) | Stokes shift (meV) | CB (eV) | VB (eV) | Electron mobility ma(cm2V−1s−1) | Trap state density ntrapa (cm−3) | PL lifetimeb | |
|---|---|---|---|---|---|---|---|---|---|
t1 (ns) | t2 (ns) | ||||||||
Spin | |||||||||
 Dry air | 1369 | 1146 | 223 | −4.18 | −5.57 | 9.38 × 10−5 | 1.76 × 1016 | 2.82 | 12.49 |
 Humid air | 1372 | 1067 | 305 | −4.00 | −5.42 | 5.47 × 10−5 | 3.21 × 1016 | 0.45 | 1.83 |
CA | |||||||||
 Dry air | 1356 | 1187 | 169 | −4.23 | −5.62 | 1.77 × 10−4 | 1.72 × 1016 | 3.05 | 14.50 |
 Humid air | 1359 | 1170 | 189 | −4.15 | −5.54 | 8.51 × 10−5 | 2.10 × 1016 | 2.10 | 5.84 |
