Sensor materials | Fabrication method | Operating temperature (°C) | Response/ppm | References |
---|---|---|---|---|
SnO2/In2O3 | Thermal evaporation | 300 | 1.05/100 | [ |
In2O3 microsphere | Solvothermal method | 250 | 36/20 | [ |
In2O3 | facile solution route | 260 | 8.60/100 | [ |
Bi2O3/ In2O3 | one-step process | 200 | 17.7/200 | [ |
Co3O4 | electrospinning | 200 | 1.71/40 | This work |
In2O3 | electrospinning | 200 | 7/40 | This work |
In2O3/Co3O4-3 | Double-jet electrospinning | 200 | 9.5/40 | This work |