Table 1 Calculated particle sizes, deconvoluted emission spectra, and PLQYs of various QDs dispersed in water
From: Impurity Location-Dependent Relaxation Dynamics of Cu:CdS Quantum Dots
Sample | Sizea/nm | Sizeb/nm | Sizec/nm | d spacing d/nm | E g e/eV | λ em f/nm | λ 1 | λ 2 | λ 3 | QY/% |
|---|---|---|---|---|---|---|---|---|---|---|
CdS | 2.3 | 2.8 | 3.2 | 0.336 | 3.01 | 501 | 465 ± 28(12%)g | 504 ± 47(40%) | 569 ± 68(48%) | 9.1 |
d-Cu:CdS | 2.5 | 2.6 | 3.4 | 0.364 | 2.91 | 632 | 499 ± 54(14%) | 631 ± 67(76%) | 749 ± 56(10%) | 5.3 |
e-Cu:CdS | 2.6 | 2.8 | 3.5 | 0.362 | 2.89 | 635 | 506 ± 67(17%) | 634 ± 67(71%) | 740 ± 63(12%) | 3.4 |
a-Cu:CdS | 2.6 | 2.7 | 3.8 | 0.354 | 2.79 | 646 | 647 ± 79(93%) | 788 ± 57(7%) | 0.5 |