Table 2 Comparison of the sensing performance between the current works with previously reported results16,54,55,56.

From: A two-step synthesis of nanosheet-covered fibers based on α-Fe2O3/NiO composites towards enhanced acetone sensing

Materials

Acetone Conc. (ppm)

Operating temperature (°C)

Sensing response (Rg/Ra)

Ref.

Fe-Doped Ordered Mesoporous NiO

50

240

3.9

16

Flower-like NiO-decorated ZnO microstructures

100

300

23.5

54

p-NiO/n-ZnO heterostructure

100

330

12

55

rGO/-Fe2O3composites

100

225

13.9

56

S-2 based α-Fe2O3/NiO nanosheet covered fibers

100

169

18.34

This work