Table 4 Comparative study of the current work with the literature.
From: Doping induced enhancement for acetone sensing in ceria
Sensor material | Pellet type | Temp (°C) | Acetone range (ppm) | Max response (%) | Response time | Reference |
|---|---|---|---|---|---|---|
Ce-doped MgFe2O4 | Pressed pellet | 300 | 10–500 | 46 (500 ppm) | ~ 25 s | |
CeO2 nanopowder | Ceramic pellet | 300 | 20–500 | 21 (500 ppm) | ~ 38 s | |
CeO2/SnO2 composite | Pellet | 350 | 100–1000 | ~ 23 (1000 ppm) | ~ 30 s | |
ZnO–CuO nanoflake | Pellet | 300 | 10–500 | 12.6 (500 ppm) | ~ 40 s | |
CuO/Cu2O/Ag | Nanopattern | 350 | 1000 | 34 (1000 ppm) | 360 s | |
Al-doped ZnO | Microrod pellet | 450 | 125 | 20 (125 ppm) | – | |
Sm-doped CeO2 | pellet | 300 | 1000 | 38%(1000 ppm) | ~ 400 s | (present work) |
