Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 14, issue 2
Articles | Volume 14, issue 2
https://doi.org/10.5194/jsss-14-139-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jsss-14-139-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 2
Regular research article
 | 
24 Jul 2025
Regular research article |  | 24 Jul 2025

Silicon-based thermal conductivity detector for gas sensing and gas chromatography

Alexandre Teulle, Mathis Baret, Murielle Jurdit, Florence Ricoul, and Jean-Baptiste Tissot

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Short summary
We present a sensor with an original architecture for gas sensing that is 4 times more efficient than other sensors based on the same detection technology. It has a small volume (less than 1 cm3), low cost, and low power consumption, making it possible for it to be used in compact systems and even in smartphones. It is able to detect small changes in carbon dioxyde concentrations in ambient air for indoor air quality monitoring.
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