Table 1.
Conditions Used To Prepare 85, 250, and 500 nm Dense Silica Particles
| particle diameter | EtOH (mL) | H2O (mL) | NH4OH (M/mL) | TEOS (mL) | time (h) |
|---|---|---|---|---|---|
| 85 nm | 20.0 | -- | 13.7/1.5 | 2 + 5 mL EtOH | 1 |
| 250 nm | 46.0 | -- | 13.7/10 | 1 + 4 mL EtOH | 2 |
| 500 nm | 80.0 | 8.62 | 8.7/5.7 | 5.58 | 8 |