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The sensitivity of reduced graphene oxide to H2 and NO2
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Paper Abstract

In this paper, we are showing that the reduced graphene oxide could be used as a sensing layer in a chemoresitive gas sensors. The results of the investigation during which the sensing structure was affected by hydrogen and nitrogen dioxide in nitrogen and synthetic air in various temperatures are presented. We have observed that in certain temperature range, the resistance of the sensing structure was increased when hydrogen was in the gas mixture and was decreased when nitrogen dioxide was in the mixture, compared to the state without both gases. Moreover, we are showing that the humidity has no influence for the resistance of structure during the measurements with hydrogen. The measurements of the resistance has also been supplemented by the images of the structure obtained using scanning electron microscopy.

Paper Details

Date Published: 13 September 2019
PDF: 4 pages
Proc. SPIE 11204, 14th Conference on Integrated Optics: Sensors, Sensing Structures, and Methods, 112040H (13 September 2019); doi: 10.1117/12.2537739
Show Author Affiliations
Sabina Drewniak, Silesian Univ. of Technology (Poland)
Marcin Procek, Silesian Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 11204:
14th Conference on Integrated Optics: Sensors, Sensing Structures, and Methods
Przemyslaw Struk; Tadeusz Pustelny, Editor(s)

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