Sensing materials and their sensing performances towards acetone vapour.

Materials	Res/rec time	LOD	Working temp.	Response	Ref.
ZnFe2O4 microspheres	7.5/200 s	1 ppm	215	6.5 at 10 ppm	39
3.0 wt% Cu-doped α-Fe2O3 porous nanotubes	5 s/18 s	100 ppb	164	12 at 5 ppm	40
In2O3–CuO	13/20 s	50 ppm	370	5 at 0.5 ppm	41
V2O5 nanoneedles	73/88 s	1.7 ppm	Room temp	2.37 for 140 ppm	42
ZnO@ZIF-71(Co)	71/53 s	50 ppb	250	5.7 at 0.5 ppm	43
CNPs@ZIF-67	53 s/43 s	484 ppb	Room temp	2 at 16.7 ppm	This work