The gas sensing performances of SnO2-based nanomaterials with heterostructures reported in the literature.
| Composition | Analyte gas | Opera. temp. (°C) | Sensitivity | Concentration | Reference |
|---|---|---|---|---|---|
| p-NiO/n-ZnO | Acetone | 330 | ∼13 | 100 ppm | 13 |
| NiO–SnO2 | Ethanol | 320 | 576.5 | 1000 ppm | 15 |
| RGO–SnO2 | NO2 | 200 | 100 | 5 ppm | 19 |
| Cu2O/SnO2 | H2S | Room temperature | 65.1 | 50 ppm | 21 |
| α-Fe2O3/SnO2 | Ethanol | 225 | 18.4 | 100 ppm | 22 |
| In2O3–SnO2 | NOx | Room temperature | 8.98 | 100 ppm | 23 |
| CeO2–SnO2 | Ethanol | 225 | 37 | 100 ppm | 24 |
| ZnO/SnO2 | H2 | 350 | 18.4 | 100 ppm | 36 |
| SnO/SnO2 | Ethanol | 180 | 47.69 | 100 ppm | This work |