Table 1.
samples | quantum yield (%) | first decay time τ1 [ns] | second decay time τ2 [ns] | average lifetime 〈τ〉 [ns] | radiative rate constant kr [s−1] | non-radiative rate constant knr [s−1] |
---|---|---|---|---|---|---|
W-1A | 2.53 | 2.76 (28.0%) | 7.90 (72.0%) | 6.46 | 3.91 × 104 | 1.51 × 106 |
W-1B | 1.16 | 2.71 (29.8%) | 8.29 (70.2%) | 6.63 | 1.75 × 104 | 1.49 × 106 |
W-2A | 0.41 | 2.08 (33.5%) | 7.63 (66.5%) | 5.77 | 7.10 × 103 | 1.73 × 106 |
W-2B | 0.85 | 2.11 (35.9%) | 7.72 (64.1%) | 5.71 | 1.49 × 104 | 1.74 × 106 |
W-3A | 6.80 | 1.73 (34.4%) | 7.54 (65.6%) | 5.54 | 1.23 × 105 | 1.68 × 106 |
W-3B | 6.30 | 1.74 (29.5%) | 7.40 (70.5%) | 5.73 | 1.10 × 105 | 1.64 × 106 |
W-4A | 5.41 | 2.68 (21.7%) | 10.65 (78.3%) | 8.92 | 6.06 × 104 | 1.06 × 106 |
W-4B | 4.43 | 2.46 (34.5%) | 9.00 (67.5%) | 6.79 | 6.53 × 104 | 1.41 × 106 |
R-1A | 1.94 | 2.88 (31.6%) | 8.34 (68.4%) | 6.61 | 2.93 × 104 | 1.48 × 106 |
R-1B | 1.81 | 2.71 (30.1%) | 8.21 (69.6%) | 6.55 | 2.76 × 104 | 1.50 × 106 |
R-2A | 1.00 | 2.41 (37.6%) | 8.29 (62.4%) | 6.08 | 1.65 × 104 | 1.63 × 106 |
R-2B | 0.42 | 2.21 (36.0%) | 7.95 (64.0%) | 5.89 | 7.14 × 103 | 1.69 × 106 |
R-3A | 5.50 | 1.76 (31.5%) | 7.59 (68.5%) | 5.75 | 9.56 × 104 | 1.64 × 106 |
R-3B | 6.50 | 1.79 (29.2%) | 7.04 (70.8%) | 5.51 | 1.18 × 105 | 1.70 × 106 |
R-4A | 3.59 | 2.47 (28.7%) | 9.40 (71.3%) | 7.41 | 4.85 × 104 | 1.30 × 106 |
R-4B | 4.35 | 2.51 (34.1%) | 8.95 (65.9%) | 6.75 | 6.44 × 104 | 1.42 × 106 |