Asymmetry ratio (R21) following excitation at 340 nm of 8 at% Eu–CeO2 nanomaterials at concentrations detailed in Fig. 9. Columns labelled 5D0 → 7F1 and 5D0 → 7F2 refer to relative emission intensities for the respective transitions for a given sample.
| Sample |
|
|
Asymmetry ratio (R21) |
|---|---|---|---|
| Nanowire | 2087 | 4030 | 1.93 |
| Nanorod | 145 | 72 | 1.99 |
| Annealed nanorod | 1420 | 782 | 1.81 |
| Nanocube | 2636 | 1512 | 1.74 |