SnO2 nanostructure-based acetone sensors for breath analysis

Micro and Nano Systems Letters

Table 1 Acetone sensing characteristics of the SnO₂-based gas sensors

Materials	Temp (°C)	Conc (ppm)	Response (s)	Response/recovery time (s)	Ref
Large-lateral-area SnO₂	250	5	263	10/1315	[33]
Co₃O4/SnO₂ yolk-shell nanofibers	350	100	217	0.62/46.5	[34]
s-Nb₂O₅@SnO2	250	0.5	37	230/735	[35]
GC/SnO₂-500 tubes	217	100	22	0.8/228	[36]
SnO₂-ZnO nanoparticles	240	10	140.27	108/44	[37]
Pt-SnO₂ HBLs	350	2	93.56	9.2/312	[38]
Au-SnO2 nanosheets	240	100	18.18	5/66	[39]
SnSe₂/SnO₂ NPs	300	100	10.77	130/10	[40]
ZFO/SNO	210	100	120	30/197	[41]
SU-SnO₂/α-Fe₂O₃-2.5	300	100	18.7	8/2	[42]
SiO₂@SnO₂/α-Fe₂O₃	300	100	41.8	7/23	[43]
Zn₂SnO₄/SnO₂ hollow microboxes	250	100	20.16	97/315	[44]
Ni₁Sn₃	300	5	6	2/9	[45]
Ag-decorated SnO₂ hollow nanofibers	160	200	117	6/10	[46]
TiO₂-SnO₂-TiO₂ shell-core–shell	280	1	13.3	3.6/4.5	[47]
Eu₂O₃/Au/SnO₂ ternary nanofibers	200	100	65	10/8	[48]
SnO₂-Fe₂O₃ heterostructure	280	200	16.8	5/23	[49]
Eu-doped SnO₂ nanofibers	280	100	32.2	4/3	[50]
3D hierarchical SnO₂ nanoflowers	280	20	33	9/7	[51]
In/WO₃-SnO₂ nanostructures	200	1	4.4	4/2	[52]