Table 2 Comparison of sensing properties for different sensors against ethylene glycol reported in the literature.

From: Development of a high performance ethylene glycol gas sensor using cobalt doped porous ZnFe2O4 nanostructures

Sensing materials

Concentration (ppm)

Temperature (°C)

Response

tres/trec (s)

Reference

ZF hollow spheres

100

200

35.5

78–89

37

ZnO

200

340

37.33

1.5–51.5

38

SmFeO3 nanofibers

100

240

18.9

41–47

39

CuO/Co3O4

100

130

6.3

-

40

Cobalt-doped ZF

100

210

106.9

1.8–18

This work

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