Atomic concentrations of oxygen, cerium, and europium within 8% Eu–CeO2 nanomaterials, as determined by EDS. Cerium and europium concentrations are also included in the absence of oxygen to provide the metals only atomic percentage.
| Sample | Metal and oxygen concentrations | Metal elements only | |||
|---|---|---|---|---|---|
| At% O | At% Ce | At% Eu | At% Ce | At% Eu | |
| Nanowire | 53.1 ± 4.3 | 42.3 ± 3.8 | 4.6 ± 0.9 | 90.3 ± 1.7 | 9.7 ± 1.7 |
| Nanorod | 62.1 ± 5.5 | 34.2 ± 4.6 | 3.7 ± 0.9 | 92.1 ± 1.7 | 7.9 ± 1.7 |
| Annealed nanorod | 60.2 ± 1.9 | 36.9 ± 2.1 | 2.8 ± 0.4 | 93.0 ± 0.9 | 7.0 ± 0.9 |
| Nanocube | 54.3 ± 3.6 | 42.6 ± 3.7 | 3.1 ± 0.2 | 93.2 ± 0.9 | 6.8 ± 0.9 |