Table 3.
Comparison of gas-sensing parameters of TiO2-B nanobelt sensor with other reported TiO2-based C3H6O sensors.
| Material | Synthesis Route | Working Tempt. (°C) | Response (Ra/Rg) | C3H6O (ppm) | Res. Time (Tres) (s) |
Rec. Time (Trec) (s) |
The Lowest Detection Limit (ppm) | Ref. |
|---|---|---|---|---|---|---|---|---|
| TiO2 porous NPs | Hydrothermal | 275 | 13.9 | 100 | 11 | 14 | - | [52] |
| TiO2 NPs | Matrix-assisted pulsed laser deposition | 400 | 6 | 100 | 240 | - | 20 | [53] |
| Nanoporous TiO2 | Hydrothermal | 370 | 25.97 | 500 | 13 | 8 | 20 | [54] |
| Ag-TiO2 nanobelts | Hydrothermal | 260 | 28.25 | 500 | 6 | 8 | 0.8 | [55] |
| TiO2 nanorods | Electrospun | 500 | 13 | 300 | 12 | 6 | - | [56] |
| TiO2-B nanorods | Hydrothermal | 320 | 2.3 | 100 | 3 | 180 | - | [57] |
| TiO2-B nanobelts | Hydrothermal | 150 | 12.7 | 50 | 324 | 1320 | 0.7 | This work |