Polydimethylsiloxane Foam‐Based Fully 3D Printed Soft Pressure Sensors Article Swipe
Xenofon Karagiorgis
,
Gaurav Khandelwal
,
Ajay Beniwal
,
Radu Chirila
,
Peter J. Skabara
,
Ravinder Dahiya
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1002/aisy.202300367
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1002/aisy.202300367
Highly sensitive pressure sensors, with a wide operating range, are needed in applications such as wearables, prostheses, and haptic‐based interactive systems. Herein, fully 3D printed capacitive pressure sensors comprising polydimethylsiloxane (PDMS) foam‐based dielectric layer, sandwiched between the poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate and silver nanowire‐based electrodes, are presented. The printed electrodes exhibit excellent electrical properties (1.6 Ω sq −1 , 20.35 kS m −1 ) and bendability. Various ratios of PDMS to ammonium bicarbonate (NH 4 HCO 3 ) are evaluated to obtain dielectric layer with optimum pore sizes for better performance and ease of fabrication. The device with a PDMS:NH 4 HCO 3 ratio of 4:0.8 exhibits a linear response with a sensitivity of 0.0055 kPa −1 in the tested pressure range of 5–170 kPa. The fully 3D printed sensors also show excellent repeatability over 500 cycles with an average hysteresis of 1.53%, and fast response and recovery times of 89 and 195 ms, respectively. The superiority of the presented 3D printed foam‐based device is confirmed by 30% higher sensitivity in comparison with PDMS‐based sensors. Finally, as a proof‐of‐concept, the pressure sensors presented in this study are assessed for their suitability in underwater environments and touch‐based object recognition.
Related Topics
Concepts
Polydimethylsiloxane
Materials science
Electrode
Fabrication
Pressure sensor
Capacitive sensing
Elastomer
Polystyrene
Layer (electronics)
Dielectric
PEDOT:PSS
Repeatability
Composite material
Optoelectronics
Polymer
Computer science
Chromatography
Pathology
Physical chemistry
Alternative medicine
Medicine
Physics
Chemistry
Operating system
Thermodynamics
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1002/aisy.202300367
- https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/aisy.202300367
- OA Status
- gold
- Cited By
- 16
- References
- 57
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4387121490
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4387121490Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1002/aisy.202300367Digital Object Identifier
- Title
-
Polydimethylsiloxane Foam‐Based Fully 3D Printed Soft Pressure SensorsWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-09-28Full publication date if available
- Authors
-
Xenofon Karagiorgis, Gaurav Khandelwal, Ajay Beniwal, Radu Chirila, Peter J. Skabara, Ravinder DahiyaList of authors in order
- Landing page
-
https://doi.org/10.1002/aisy.202300367Publisher landing page
- PDF URL
-
https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/aisy.202300367Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
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https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/aisy.202300367Direct OA link when available
- Concepts
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Polydimethylsiloxane, Materials science, Electrode, Fabrication, Pressure sensor, Capacitive sensing, Elastomer, Polystyrene, Layer (electronics), Dielectric, PEDOT:PSS, Repeatability, Composite material, Optoelectronics, Polymer, Computer science, Chromatography, Pathology, Physical chemistry, Alternative medicine, Medicine, Physics, Chemistry, Operating system, ThermodynamicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
16Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 6, 2024: 10Per-year citation counts (last 5 years)
- References (count)
-
57Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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