Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 11, issue 1
Articles | Volume 11, issue 1
https://doi.org/10.5194/jsss-11-51-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jsss-11-51-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 1
Regular research article
 | 
23 Feb 2022
Regular research article |  | 23 Feb 2022

In situ analysis of hydration and ionic conductivity of sulfonated poly(ether ether ketone) thin films using an interdigitated electrode array and a nanobalance

Hendrik Wulfmeier, Niklas Warnecke, Luca Pasquini, Holger Fritze, and Philippe Knauth

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Latest update: 23 Nov 2024
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Short summary
A newly developed experimental setup to characterize thin polymeric films during dehydration and hydration is presented. The great advantage of this measurement device and technique is that it monitors the mass change and conductivity of the films in situ and simultaneously at virtually identical conditions. The feasibility of the technique is demonstrated by characterizing ionomer thin films. A mass resolution of ±7.9 ng is achieved. The precision of relative humidity (RH) control is ±0.15 %.
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