Fully inkjet-printed parallel-plate capacitive gas sensors on flexible substrate

F. Moline-Lopez, D. Briand, N.F. De Rooij, Maria Smolander

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

10 Citations (Scopus)

Abstract

Small fully inkjet-printed gas sensors based on capacitive parallel-plate (PP) structures have been realized on flexible plastic foil and characterized. A gas sensing layer was inkjet-printed between inkjet-printed bottom and top silver electrodes. Compared with comb electrode (CE) geometries, PP structures drastically reduce the developing complexity of gas sensors on polymeric foil, avoiding the substrate parasitic signal. Furthermore, the use of porous inkjet-printed metal makes the patterning of complex grids on the top electrode unnecessary, since such porosity permits the analyte to flow into the sensing layer. This low demanding patterning resolution facilitates the miniaturization of the inkjet-printed sensors, introducing significant improvements in their sensing performances, such as sensitivity or response time. The printed sensing devices were characterized against pulses of relative humidity (R.H.) and their performances were analyzed.
Original languageEnglish
Title of host publicationProceedings of the IEEE Sensors 2012
ISBN (Electronic)978-1-4577-1767-3
DOIs
Publication statusPublished - 2012
MoE publication typeNot Eligible
Event11th IEEE SENSORS 2012 Conference - Taipei, Taiwan, Province of China
Duration: 28 Oct 201231 Oct 2012

Conference

Conference11th IEEE SENSORS 2012 Conference
Abbreviated titleSENSORS 2012
CountryTaiwan, Province of China
CityTaipei
Period28/10/1231/10/12

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Capacitive sensors
Chemical sensors
Metal foil
Electrodes
Substrates
Silver
Atmospheric humidity
Porosity
Gases
Metals
Plastics
Geometry
Sensors

Cite this

Moline-Lopez, F., Briand, D., De Rooij, N. F., & Smolander, M. (2012). Fully inkjet-printed parallel-plate capacitive gas sensors on flexible substrate. In Proceedings of the IEEE Sensors 2012 [6411148] https://doi.org/10.1109/ICSENS.2012.6411148
Moline-Lopez, F. ; Briand, D. ; De Rooij, N.F. ; Smolander, Maria. / Fully inkjet-printed parallel-plate capacitive gas sensors on flexible substrate. Proceedings of the IEEE Sensors 2012. 2012.
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Moline-Lopez, F, Briand, D, De Rooij, NF & Smolander, M 2012, Fully inkjet-printed parallel-plate capacitive gas sensors on flexible substrate. in Proceedings of the IEEE Sensors 2012., 6411148, 11th IEEE SENSORS 2012 Conference, Taipei, Taiwan, Province of China, 28/10/12. https://doi.org/10.1109/ICSENS.2012.6411148

Fully inkjet-printed parallel-plate capacitive gas sensors on flexible substrate. / Moline-Lopez, F.; Briand, D.; De Rooij, N.F.; Smolander, Maria.

Proceedings of the IEEE Sensors 2012. 2012. 6411148.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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AB - Small fully inkjet-printed gas sensors based on capacitive parallel-plate (PP) structures have been realized on flexible plastic foil and characterized. A gas sensing layer was inkjet-printed between inkjet-printed bottom and top silver electrodes. Compared with comb electrode (CE) geometries, PP structures drastically reduce the developing complexity of gas sensors on polymeric foil, avoiding the substrate parasitic signal. Furthermore, the use of porous inkjet-printed metal makes the patterning of complex grids on the top electrode unnecessary, since such porosity permits the analyte to flow into the sensing layer. This low demanding patterning resolution facilitates the miniaturization of the inkjet-printed sensors, introducing significant improvements in their sensing performances, such as sensitivity or response time. The printed sensing devices were characterized against pulses of relative humidity (R.H.) and their performances were analyzed.

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Moline-Lopez F, Briand D, De Rooij NF, Smolander M. Fully inkjet-printed parallel-plate capacitive gas sensors on flexible substrate. In Proceedings of the IEEE Sensors 2012. 2012. 6411148 https://doi.org/10.1109/ICSENS.2012.6411148