Table 1.
Mean diameter and zeta potential of five carbon dots with different functionality in DDI water.
| Diameter/nm | ζ-potential (mV) | |
|---|---|---|
| CDs | 1.5 | –34.7 |
| ETA-CDs | 1.8 | –0.2 |
| ED-CDs | 1.7 | 0.4 |
| β-a-CDs | 1.5 | –24 |
| DA-CDs | 1.2 | 0.2 |
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