Table 1 PLQYs (ηPL) under carrier density of ~1.2 × 1015 and ~2.3 × 1017 cm−3, monomolecular (k1), bimolecular (k2), and trimolecular (k3) recombination constant, estimated defect state density (Nt) and hole mobility (μ) of different quasi-2D perovskite films.
From: Reducing the impact of Auger recombination in quasi-2D perovskite light-emitting diodes
ηPL† | ηPL‡ | k1 (s−1) | k2 (cm3 s−1) | k3 (cm6 s−1) | Nt (cm−3)§ | μ (cm2 V−1 s−1)§ | |
|---|---|---|---|---|---|---|---|
PEA | 0.66 | 0.22 | 1.2(±0.1) × 107 | 8.7 (±1.0) × 10−10 | 7.9 (±2.1) × 10−27 | 2.6 × 1016 | 0.8 × 10−3 |
p-FPEA | 0.51 | 0.48 | 7.4(±0.4) × 106 | 1.2 (±0.4) × 10−10 | 3.2 (±0.9) × 10−28 | 2.1 × 1016 | 2.2 × 10−3 |
CF3KO3S-PEA | 0.85 | 0.30 | 1.1(±0.1) × 107 | 9.1 (±0.9) × 10−10 | 8.3 (±3.2) × 10−27 | 1.7 × 1015 | 1.2 × 10−3 |
CF3KO3S-p-FPEA | 0.82 | 0.55 | 5.3(±0.2) × 106 | 1.4 (±0.3) × 10−10 | 3.6 (±0.8) × 10−28 | 1.3 × 1015 | 3.2 × 10−3 |
