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Table 1 The performance of two kinds of NB sensors

From: Synthesis and high sensing properties of a single Pd-doped SnO2 nanoribbon

Test gas Temperature A single Pd-SnO2NB A single pure SnO2NB
(100 ppm) (°C) Sensitivity (Ra/Rg) Response time (s) Recovery time (s) Sensitivity (Ra/Rg) Response time (s) Recovery time (s)
Ethanol 230 1.80 18 28 1.19 19 26
300 1.43 8 9 1.082 8 15
Ethanediol 230 1.31 18 20 1.12 20 26
300 1.22 9 10 1.078 9 16
Acetone 230 1.17 24 30 1.102 12 15
300 1.16 14 11 1.065 9 14