Sensor materials | Con (ppm) | Selectivity | Gas response | Synthetic method | Ref. |
3D porous flower-like SnO2 | 500 | ethanol | 208 | HM | [22] |
α-Fe2O3/SnO2 | 100 | ethanol | 22.46 | ES | [23] |
Porous SnO2 nanowires | 100 | ethanol | ~1.7 | EF, HM | [24] |
GO/SnO2 nanosheets | 100 | ethanol | 2.9 | HM | [25] |
WO3-SnO2nanosphere composites | 1000 | acetone | 16.9 | HM | [26] |
La-doped SnO2 nanoparticles | 5 | formaldehyde | 4.2 | BM | [27] |
Porous flower-like SnO2 | 100 | formaldehyde, ethanol | 24.8 | HM | [28] |
Hollow ZnO-SnO2 | 100 | ethanol | 392.29 | ES | [29] |
SnO2 nanoparticles | 100 | ethanol | 27 | HM | this work |