Table 1. Effects of the Different Reaction Variables on the Properties of the AIS-2MPA QDs.
| sample | AIS-2MPA-1 | AIS-2MPA-2 | AIS-2MPA-3 | AIS-2MPA-4 | AIS-2MPA-5 |
|---|---|---|---|---|---|
| Ag/S ratio | 1/10 | 1/2.5 | 1/10 | 1/1.25 | 1/10 |
| Ag/In ratio | 1/4 | 1/4 | 1/10 | 1/4 | 1/2 |
| cation/S ratio | 0.5 | 2 | 1.1 | 4 | 0.3 |
| λemia (nm) | 634 | 660 | 630 | 701 | 649 |
| bandgap (eV) | 2.10 | 2.13 | 2.15 | 2.34 | 2.15 |
| Eub (meV) | 172 | 168 | 170 | 137 | 161 |
| FWHMc (nm) | 161 | 190 | 80 | 203 | 219 |
| Dh-numberd (nm) | 46.1 ± 1.6 | 5.2 ± 1.1 | 103.7 ± 2.4 | 22.6 ± 2.5 | |
| Dh-intensitye (nm) | 80.7 ± 10.3 | 38.2 ± 11.2 | 117.9 ± 20.1 | 67.9 ± 5.7 | |
| zeta potential (mv) | –38.1 ± 5.2 | –42.1 ± 1.9 | –43.8 ± 3.1 | –41.6 ± 4.4 | |
| QY (%) | 10.6 ± 2.1 | 19.4 ± 2.7 | 5.6 ± 2.1 | 4.9 ± 0.9 |
a
Emission maxima.
b
Urbach energy.
c
Full-width at half-maximum of the emission peak.
d
Hydrodynamic diameter measured by DLS and reported as the number average.
e
Hydrodynamic diameter measured by DLS and reported as the intensity average.