Table 1.

Summary of the acetone gas sensing performances of different sensing materials and the Pt-doped 3DPS material developed in this work.

S.N.	Materials	Temp. (°C)	Response (Concentration)	tres (s)	trecov (s)	Ref.
1	Co3O4/FGH composites	250	4.06 (1 ppm)	20	---	[34]
2	Hierarchical flower-like Co3O4 nanostructures	130	48.1 (100 ppm)	18	13	[35]
3	Porous NiFe2O4 microspheres	250	27.4 (100 ppm)	2	406	[36]
4	Rh-doped SnO2 nano-fibers	200	60.6 (50 ppm)	2	64	[37]
5	SnO2/Au-doped In2O3 core-shell nano-fibers	280	14 (100 ppm)	2	9	[38]
6	Pt-PS_SnO2 NTs	350	34.8 (1 ppm)	---	---	[39]
7	PdAu/SnO2 3D nanosheets	250	6.5 (2 ppm)	5	4	[40]
8	Pt-loaded Fe2O3 nanocubes	139	25.7 (100 ppm) and 1.1 (1 ppm)	3	22	[41]
9	Ni1Sn3	300	2.44 (0.5 ppm)	---	---	[42]
10	Pt-doped 3D porous SnO2	153	505.7 (100 ppm) 2.1 (0.05 ppm)	130 440	140 370	In this work

--- not mentioned.