Table 2.
Properties of NMs’ deposits and photoabsorption properties of metal-modified titania samples.
| Titania | NM | Sample color | λmaxa (nm) |
Predominant crystalline formb | Crystal size of zero-valent metalb /nm | Crystal size of metal oxideb /nm |
|---|---|---|---|---|---|---|
| OAP | Au | violet | 544 | Au | 5.7 | – |
| DAP | violet | 563 | Au | 14.7 | – | |
| OAP | Ag | l. brown-violet | 415 | Ag2O | 7.5 | 14.6 (Ag2O) |
| DAP | violet-blue | 554 | Ag | 37.1 | 64.2 (Ag2O) | |
| OAP | Cu | l. green | 789 | CuO | 8.1 | 5.7 (CuO) |
| DAP | l. grey-violet | 676 | CuO | 44.9 | 67.5 (CuO) |
a
maximum extinction from DRS.
b
estimated from XRD.