Table 1.
Ceramic-sensor performance comparison in measurement type, response/sensitivity and response and recovery time.
| Sensing Material | Measurement Type | RH Range (% RH) | Response/Sensitivity | Response and Recovery Time | Refs |
|---|---|---|---|---|---|
| CaMgFe1.33Ti3O12 | Capacitance | 33–95 | ~708% (response) |
8.53/11.25 s | [10] |
| Spin coating polymer material on AAO | Capacitance | 20–90 | ~280% (response) |
NA | [51] |
| AAO on Si | Capacitance | 30–90 | ~4.4% (response) |
289/286 s | [55] |
| AAO | Capacitance | 15–80 | 8000% (response) |
45/36 s | [56] |
| AAO | Capacitance | 20–80 | 5013% (response) |
8/9 s | [59] |
| BaTiO3 ink | Capacitance | 20–80 | 575 nF/% RH | 37/15 s | [78] |
| BaTiO3-PMMA composite | Capacitance | 30–98 | 1.9pF/%RH | 120/60 s | [79] |
| ZnO nanosheet | Resistance | 12–96 | 220% (response) |
600/3 s | [80] |
| CoCr2O4 | Capacitance | 0–95 | ~350% (response) |
NA | [81] |