Wan, K;
Liu, Y;
Santagiuliana, G;
Barandun, G;
Taroni Junior, P;
Guder, F;
Bastiaansen, CW;
... Bilotti, E; + view all
(2021)
Self-powered ultrasensitive and highly stretchable temperature-strain sensing composite yarns.
Materials Horizons
10.1039/d1mh00908g.
(In press).
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Abstract
With the emergence of stretchable/wearable devices, functions, such as sensing, energy storage/harvesting, and electrical conduction, should ideally be carried out by a single material, while retaining its ability to withstand large elastic deformations, to create compact, functionally-integrated and autonomous systems. A new class of trimodal, stretchable yarn-based transducer formed by coating commercially available Lycra® yarns with PEDOT:PSS is presented. The material developed can sense strain (first mode), and temperature (second mode) and can power itself thermoelectrically (third mode), eliminating the need for an external power-supply. The yarns were extensively characterized and obtained an ultrahigh (gauge factor ∼3.6 × 105, at 10–20% strain) and tunable (up to about 2 orders of magnitude) strain sensitivity together with a very high strain-at-break point (up to ∼1000%). These PEDOT:PSS-Lycra yarns also exhibited stable thermoelectric behavior (Seebeck coefficient of 15 μV K−1), which was exploited both for temperature sensing and self-powering (∼0.5 μW, for a 10-couple module at ΔT ∼ 95 K). The produced material has potential to be interfaced with microcontroller-based systems to create internet-enabled, internet-of-things type devices in a variety of form factors.
| Type: | Article |
|---|---|
| Title: | Self-powered ultrasensitive and highly stretchable temperature-strain sensing composite yarns |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1039/d1mh00908g |
| Publisher version: | https://doi.org/10.1039/d1mh00908g |
| Language: | English |
| Additional information: | This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
| Keywords: | Science & Technology, Physical Sciences, Technology, Chemistry, Multidisciplinary, Materials Science, Multidisciplinary, Chemistry, Materials Science, CARBON NANOTUBES, SENSOR, TRANSPARENT |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > MAPS Faculty Office UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > MAPS Faculty Office > Institute for Materials Discovery |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10131921 |
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