Research Article
Effect of Electrode Shape on the Performance of ZnO-Based Ethanol Sensor
Table 1
Sensing results of different electrode patterns.
| Sample | Ethanol gas concentration (ppm) | Temperature (°C) | Sensitivity (%) | Response time (s) | Recovery time (s) |
| A | 2,000 | 200 | 43 | 10 | 7.5 | B | 2,000 | 200 | 32 | 4 | 7.28 | C | 2,000 | 200 | 32 | 6 | 7.5 | A | 2,000 | 250 | 68 | 28.8 | 21 | A | 660 | 250 | 53 | 25 | 32 | A | 330 | 250 | 42 | 21 | 57 |
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