Table 3.
Parameters used for fitting the temperature-dependent propane, propene, and NO response of different SrTi0.8Fe0.2O3-δ sensor films. R2 values are included as a measure for the goodness of fit.
| analyte | microscaled | nanoscaled | |
|---|---|---|---|
| propane | Ered, act / kJ/mol | 91 | 100 |
| k0,surfred / s-1 | 43 | 183 | |
| R2 | 0.989 | 0.996 | |
| propene | Ered,act / kJ/mol | 108 | 121 |
| k0,surfred / s-1 | 154·103 | 113·103 | |
| R2 | 0.854 | 0.983 | |
| NO | Ered,act / kJ/mol | 106 | 131 |
| k0,surfred / s-1 | 771 | 244·103 | |
| R2 | 0.954 | 0.996 |