Research Article
Enhanced Photocatalytic Activity of Vanadium-Doped SnO2 Nanoparticles in Rhodamine B Degradation
Table 2
Crystallographic data (a and c parameters and volume of the tetragonal unit cell) and average crystallite from XRD of pure SnO2 and SnO2: V NPs.
| Sample | Position of 2 (°) | Hkl | dhkl | a = b (Å) | c (Å) | Average crystallite size (nm) (XRD) | Average crystallite size (nm) (TEM) |
| Pure SnO2 | 26.54 | 110 | 3.354 | 4.743 | 3.207 | 19.8 | 21.2 | 33.68 | 101 | 2.657 | — | — | 51.69 | 211 | 1.766 | — | — |
| SnO2: V 1% NPs | 26.57 | 110 | 3.350 | 4.736 | 3.199 | 17.7 | — | 33.76 | 101 | 2.651 | — | — | 51.77 | 210 | 1.764 | — | — |
| SnO2: V 2% NPs | 26.6 | 110 | 3.347 | 4.733 | 3.195 | 16.8 | — | 33.81 | 101 | 2.648 | — | — | 51.84 | 211 | 1.761 | — | — |
| SnO2: V 4% NPs | 26.67 | 110 | 3.34 | 4.723 | 3.182 | 10.3 | 11.2 | 33.92 | 101 | 2.639 | — | — | 51.94 | 211 | 1.758 | — | — |
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