Research Article
Facile Preparation of g-C3N4-WO3 Composite Gas Sensing Materials with Enhanced Gas Sensing Selectivity to Acetone
Table 1
Comparison of acetone gas sensing properties with different acetone gas sensors.
| Material | Operating temperature (°C) | Detection limit (ppm) | Response (a/g) (concentration) | Selectivity | Stability (days) | Reference |
| Au/ZnO | 365 | 20 | 2923 (100 ppm) | 1.8 | 90 | [23] | MgFe2-xCexO4 | 700 | 100 | 1.91 (2000 ppm) | 1.2 | - | [24] | Co3O4 NWS-HCSs | 150 | 1 | 23 (200 ppm) | 4.6 | - | [25] | PrFeO3 | 180 | 10 | 141 (200 ppm) | 2.8 | 75 | [26] | Pt-Fe2O3 | 139 | 0.2 | 25.7 (100 ppm) | 2.9 | 15 | [27] | Rh- doped SnO2 | 200 | 1 | 60.6 (50 ppm) | 8.6 | - | [28] | ZnFe2O4 | 260 | 10 | 52.8 (100 ppm) | 3.2 | 30 | [29] | g-C3N4-WO3 | 310 | 0.5 | 58.2 (1000 ppm) | 3.7 | 30 | This work |
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“-” means no data available in the literature.
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