Table 2 Comparison of the sensing performance between the current works with previously reported results16,54,55,56.
Materials | Acetone Conc. (ppm) | Operating temperature (°C) | Sensing response (Rg/Ra) | Ref. |
|---|---|---|---|---|
Fe-Doped Ordered Mesoporous NiO | 50 | 240 | 3.9 | |
Flower-like NiO-decorated ZnO microstructures | 100 | 300 | 23.5 | |
p-NiO/n-ZnO heterostructure | 100 | 330 | 12 | |
rGO/-Fe2O3composites | 100 | 225 | 13.9 | |
S-2 based α-Fe2O3/NiO nanosheet covered fibers | 100 | 169 | 18.34 | This work |