Some parameters of absorption/PL and metal ratios for a series of size-selected CAIS/ZnS QDs (starting composition Cu : Ag : In : S : Zn = 0.2 : 2 : 7 : 10 : 2).
Fraction no. | E U , eV | E PL, eV | ΔS, eV | FWHM, eV | PL QY, % | In : Ag | Zn : Ag | C : Ag | Cu : Ag | Cu : Zn |
---|---|---|---|---|---|---|---|---|---|---|
1 | 2.05 | 1.64 | 0.41 | 0.31 | 11 | 1.8 | 1.1 | 0.7 | 0.11 | 0.10 |
2 | 2.08 | 1.66 | 0.42 | 0.31 | 17 | 1.7 | 1.0 | 0.7 | 0.13 | 0.13 |
3 | 2.10 | 1.68 | 0.42 | 0.31 | 24 | 2.1 | 1.0 | 1.0 | 0.14 | 0.14 |
4 | 2.12 | 1.69 | 0.43 | 0.32 | 28 | 2.2 | 1.0 | 1.0 | 0.08 | 0.08 |
5 | 2.13 | 1.71 | 0.42 | 0.35 | 36 | 2.2 | 1.0 | 1.3 | 0.08 | 0.10 |
6 | 2.14 | 1.75 | 0.39 | 0.38 | 42 | 3.0 | 1.2 | 1.8 | 0.11 | 0.09 |
7 | 2.17 | 1.78 | 0.39 | 0.39 | 45 | 4.7 | 1.3 | 3.0 | 0.12 | 0.09 |
8 | 2.23 | 1.82 | 0.41 | 0.41 | 50 | 5.0 | 1.7 | 3.4 | 0.22 | 0.13 |
9 | 2.32 | 1.92 | 0.40 | 0.50 | 58 | 11.0 | 3.0 | 7.5 | 0.27 | 0.09 |