Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 14, issue 1
Articles | Volume 14, issue 1
https://doi.org/10.5194/jsss-14-55-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jsss-14-55-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 1
Regular research article
 | 
27 Mar 2025
Regular research article |  | 27 Mar 2025

Investigation of the gas-sensing performance of CuO sensors functionalized with different stabilized Au nanoparticles

Christian Maier, Larissa Egger, Anton Köck, Sören Becker, Jan Steffen Niehaus, and Klaus Reichmann

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Short summary
The gas-sensing performance of the CuO/Cu2O functionalized with Au NPs towards CO2, CO, and HCMix was investigated by resistance measurement. The type of ligands has an impact on the sensing behaviour of CuO/Cu2O sensors, and the highest response (39 %) for CO2 is achieved by Au NPs stabilized with citrate. These differences in behaviour of the films depending on their ligands could be due to insufficient thermal degradation of the ligands.
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