Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 12, issue 1
Articles | Volume 12, issue 1
https://doi.org/10.5194/jsss-12-141-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jsss-12-141-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 1
Regular research article
 | 
20 Apr 2023
Regular research article |  | 20 Apr 2023

Chemical hydrogel sensors based on the bimorph effect with short response time

Stefan Schreiber, Nadja Steinke, and Gerald Gerlach

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Short summary
We have managed to reduce the measuring time of previously common hydrogel-based sensors from a few minutes to a few seconds. For this, the arrangement of the hydrogel in the sensor was changed so that the volume of the hydrogel could be reduced. The biggest challenge, apart from generating a very thin pattern, was to firmly bond the hydrogel to a silicon surface. This was to ensure that the resulting forces of the bimorph effect can be absorbed.
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