Abstract
Triethylamine (TEA) gas sensor having high response and stability are in great demand in the actual working environment. In this paper, SnO2 microrods are prepared on SiO2 (300 nm)/Si substrate by thermal evaporation. The SnO2 microrods-based gas sensor is successfully prepared. The gas response and stability of the sensor are tested at an optimal temperature of 200 °C. When the sensor is exposed to 100 ppm TEA gas, the response time is only 4 s. The detection limit is below 1 ppm. The gas-sensing mechanism is further discussed.
| Original language | English |
|---|---|
| Article number | 012058 |
| Journal | IOP Conference Series: Materials Science and Engineering |
| Volume | 772 |
| Issue number | 1 |
| DOIs | |
| State | Published - 30 Mar 2020 |
| Externally published | Yes |
| Event | 3rd International Conference on Frontiers of Materials Synthesis and Processing, FMSP 2019 - Sanya City, China Duration: 9 Nov 2019 → 10 Nov 2019 |
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