Table 1 EXAFS fitting results on distance (R) and coordination number (CN) of Au–O and Au–Au shells for the as-prepared gold-ceria samples.
From: Contributions of distinct gold species to catalytic reactivity for carbon monoxide oxidation
Sample | Au–O | Au–Au | ||
---|---|---|---|---|
R (Å) | CN | R (Å) | CN | |
Au_atom | 1.96±0.01 | 3.0±0.3 | — | — |
3.49±0.03 | 5.7±1.5 | |||
Au_cluster | 1.98±0.07 | 0.4±0.3 | 2.78±0.03 | 4.4±1.8 |
Au_particle | — | — | 2.85±0.01 | 8.9±1.0 |