Table 1 Crystallite sizes measured by the Rietveld refinement and specific surface areas determined by N2adsorption (BET), as a function of the annealing temperature
Samples | Crystallite size (Å) | Specific surface area (BET) (m2 g−1) | ||
---|---|---|---|---|
550a | 1,000a | 550a | 1,000a | |
SnO2 | 127.3 | 659.5 | 24 | 8 |
SnO2-Y | 52.2 | 143.4 | 63 | 17 |
SnO2-Ce | 117.2 | 194.5 | 48 | 16 |