Table 9 Comparison of the proposed SnO2 sensor’s gas detection performance with that of existing sensors.

From: Performance comparison of CTAB-modified NiO, ZnO, and SnO2 sensors for CO and CH4 detection in environmental and health applications

Material

Target gas

Concentration (ppm)

Operating temp. (°C)

Sensitivity/response (%)

Response time (s)

Recovery time (s)

Ref.

ZnO Nanorods

CO

100

700

88

60

40

52

SnO2 Nanoparticles

CO

10

300

87

85

65

53

ZnO/SnO2 Nanosheets

VOC

1

200

64

10

50

54

NiO Nanoflowers

H2

500

300

45

54

15

7

SnO2 + CTAB

CO

10

Room Temp.

92.3

10

5

This work

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