
Fig. 1
XRD spectra ZnO and Ce-doped ZnO (5 at.%).
Table 1
Lattice parameters a and c, c/a, D, V, XC and L for different aerogels.
| Aerogel | D | a | c | c/a | V | L | XC |
|---|---|---|---|---|---|---|---|
| [nm] | [Å] | [Å] | [Å3] | [Å] | |||
| pure ZnO | 16 | 3.2551 | 5.2113 | 1.600 | 47.8 | 1.9806 | 0.9531 |
| Ce-doped ZnO (5%) | 28 | 3.2519 | 5.2096 | 1.602 | 47.7 | 1.9791 | 0.5811 |

Fig. 2
XRD spectra of the strongest peaks of aerogels ZnO and ZnO: Ce (5 at.%).

Fig. 3
SEM imges of pure ZnO(a) and Ce-doped ZnO (b) aerogels.

Fig. 4
FT-IR spectra of pure and Ce-doped (5 at.%) ZnO aerogels.

Fig. 5
Normalized absorption spectra of pure and Ce-doped (5 at.%) ZnO aerogels.

Fig. 6
Raman shift of pure and Ce-doped (5 at.%) ZnO aerogels.