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 | |