Abstract
A novel micro catalytic methane sensor array with four interchangeable sensor units operating at alternative "one-hot" mode was proposed and in-situ printed on a quartz micro hotplate. A quartz micro hotplate with high surface temperature gradient was utilized to decouple the temperature zones between a working units (450 °C) and rest of idle units (below 200 °C) due to quartz's low thermal conductivity. This "one-hot" design will enable the sensor array to endure 64 hours continuous working in 2% methane and maintained sensitivity above 12 mV/% CH4, which shows good prospect for long term coal mine applications.
| Original language | English (US) |
|---|---|
| Title of host publication | 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016 |
| Publisher | Chemical and Biological Microsystems Society |
| Pages | 1276-1277 |
| Number of pages | 2 |
| ISBN (Electronic) | 9780979806490 |
| State | Published - 2016 |
| Event | 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016 - Dublin, Ireland Duration: Oct 9 2016 → Oct 13 2016 |
Publication series
| Name | 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016 |
|---|
Other
| Other | 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2016 |
|---|---|
| Country/Territory | Ireland |
| City | Dublin |
| Period | 10/9/16 → 10/13/16 |
Bibliographical note
Funding Information:This work was partly supported by State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University.
Keywords
- Inkjet printing
- Methane sensor
- Sensor array
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