Research Article
Influence of Cu-Doping Concentration on the Structural and Optical Properties of SnO2 Nanoparticles by Coprecipitation Route
Table 1
The structural parameters and optical bandgap of pure and Cu-doped SnO2 nanoparticles.
| | Doping level | Scherrer’s method | W–H method | Lattice constants (Å) | Unit cell volume (Å)3 | Energy bandgap (eV) | | D (nm) | Density of dislocation (×1015 lines/m2) | D (nm) | Strain (×10−3) | a = b | c |
| | 0% | 19.01 | 2.76 | 24.53 | 0.148 | 4.740 | 3.188 | 71.626 | 3.74 | | 1% | 18.23 | 3.00 | 23.56 | 0.70 | 4.744 | 3.193 | 71.860 | 3.69 | | 2% | 17.54 | 3.23 | 23.32 | 1.06 | 4.751 | 3.196 | 72.140 | 3.65 | | 3% | 14.87 | 4.52 | 16.56 | 1.22 | 4.761 | 3.196 | 72.444 | 3.61 | | 4% | 13.79 | 5.25 | 15.38 | 1.31 | 4.761 | 3.197 | 72.466 | 3.54 |
|
|
