Chemical compositions of AIGS(1.5) QDs prepared with and without Na+ addition.
| Samplesa | Fraction (%) | Charge balance (anion/cation) | Metal ratios | |||||
|---|---|---|---|---|---|---|---|---|
| Na | Ag | In | Ga | S | In/(In + Ga) | Na/metal | ||
| AJGS(es) | — | 16 | 7.3 | 21 | 56 | 1.1 | 0.26 | 0 |
| Na-AIGS(es) | 3.1 | 15 | 6.6 | 24 | 51 | 0.93 | 0.21 | 0.064 |
| AIGS(tu) | — | 0.29 | 0.28 | 76 | 24 | 0.24 | 0.004 | 0 |
| Na-AIGS(tu) | 2.5 | 1.2 | 0.67 | 70 | 26 | 0.21 | 0.01 | 0.034 |
The samples were prepared under the same conditions as those in Fig. 1.