Table 1.
Selected photophysical and FRET properties of each QD-donor dye-acceptor conjugate pair examined. Quantum yields (QY) of the QDs were ~20% and QD radii were estimated from ref49.
| QD donor λem (nm) | Surface Ligand | QD core/shell radius (Å) | Acceptor dye-labeled ligates | Dye λabs/λem (nm) | Dye Ext. Coeff. (M−1 cm−1) | R0 (Å) | r (Å) |
|---|---|---|---|---|---|---|---|
| 520 | DHLA | 27–28 |
|
555/565 | 150,000 | 45 | 33 |
| 550 | DHLA | 30–31 |
|
555/580 | 65,000 | 51 | 53 |
| 550 | DHLA | 30–31 |
|
595/615 | 80,000 | 46 | 30 |
| 580 | DHLA-PEG600 | 33–34 |
|
595/615 | 80,000 | 48 | 66 |