Thermally Drawn Highly Conductive Fibers with Controlled Elasticity
Electronic fabrics necessitate both electrical conductivity and, like any textile, elastic recovery. Achieving both requirements on the scale of a single fiber remains an unmet need. Here, two approaches for achieving conductive fibers (107 S m-1 ) reaching 50% elongation while maintaining minimal c...
| Main Authors: | , , , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2022
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| Online Access: | https://hdl.handle.net/1721.1/142498 |
| _version_ | 1826195430690521088 |
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| author | Marion, Juliette S Gupta, Nikhil Cheung, Henry Monir, Kirmina Anikeeva, Polina Fink, Yoel |
| author2 | Massachusetts Institute of Technology. Research Laboratory of Electronics |
| author_facet | Massachusetts Institute of Technology. Research Laboratory of Electronics Marion, Juliette S Gupta, Nikhil Cheung, Henry Monir, Kirmina Anikeeva, Polina Fink, Yoel |
| author_sort | Marion, Juliette S |
| collection | MIT |
| description | Electronic fabrics necessitate both electrical conductivity and, like any textile, elastic recovery. Achieving both requirements on the scale of a single fiber remains an unmet need. Here, two approaches for achieving conductive fibers (107 S m-1 ) reaching 50% elongation while maintaining minimal change in resistance (<0.5%) in embedded metallic electrodes are introduced. The first approach involves inducing a buckling instability in a metal microwire within a cavity of a thermally drawn elastomer fiber. The second approach relies on twisting an elastomer fiber to yield helical metal electrodes embedded in a stretchable yarn. The scalability of both approaches is illustrated in apparatuses for continuous buckling and twisting that yield tens of meters of elastic conducting fibers. Through experimental and analytical methods, it is elucidated how geometric parameters, such as buckling pre-strain and helical angle, as well as materials choice, control not only the fiber's elasticity but also its Young's modulus. Links between mechanical and electrical properties are exposed. The resulting fibers are used to construct elastic fabrics that contain diodes, by weaving and knitting, thus demonstrating the scalable fabrication of conformable and stretchable antennas that support optical data transmission. |
| first_indexed | 2024-09-23T10:12:31Z |
| format | Article |
| id | mit-1721.1/142498 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T10:12:31Z |
| publishDate | 2022 |
| publisher | Wiley |
| record_format | dspace |
| spelling | mit-1721.1/1424982023-02-01T21:41:02Z Thermally Drawn Highly Conductive Fibers with Controlled Elasticity Marion, Juliette S Gupta, Nikhil Cheung, Henry Monir, Kirmina Anikeeva, Polina Fink, Yoel Massachusetts Institute of Technology. Research Laboratory of Electronics Massachusetts Institute of Technology. Department of Materials Science and Engineering Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science McGovern Institute for Brain Research at MIT Massachusetts Institute of Technology. Department of Brain and Cognitive Sciences Massachusetts Institute of Technology. Institute for Soldier Nanotechnologies Electronic fabrics necessitate both electrical conductivity and, like any textile, elastic recovery. Achieving both requirements on the scale of a single fiber remains an unmet need. Here, two approaches for achieving conductive fibers (107 S m-1 ) reaching 50% elongation while maintaining minimal change in resistance (<0.5%) in embedded metallic electrodes are introduced. The first approach involves inducing a buckling instability in a metal microwire within a cavity of a thermally drawn elastomer fiber. The second approach relies on twisting an elastomer fiber to yield helical metal electrodes embedded in a stretchable yarn. The scalability of both approaches is illustrated in apparatuses for continuous buckling and twisting that yield tens of meters of elastic conducting fibers. Through experimental and analytical methods, it is elucidated how geometric parameters, such as buckling pre-strain and helical angle, as well as materials choice, control not only the fiber's elasticity but also its Young's modulus. Links between mechanical and electrical properties are exposed. The resulting fibers are used to construct elastic fabrics that contain diodes, by weaving and knitting, thus demonstrating the scalable fabrication of conformable and stretchable antennas that support optical data transmission. 2022-05-12T15:05:21Z 2022-05-12T15:05:21Z 2022-03-12 2022-05-12T13:56:56Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/142498 Marion, Juliette S, Gupta, Nikhil, Cheung, Henry, Monir, Kirmina, Anikeeva, Polina et al. 2022. "Thermally Drawn Highly Conductive Fibers with Controlled Elasticity." Advanced Materials. en 10.1002/adma.202201081 Advanced Materials Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licens http://creativecommons.org/licenses/by-nc-nd/4.0/ application/pdf Wiley Wiley |
| spellingShingle | Marion, Juliette S Gupta, Nikhil Cheung, Henry Monir, Kirmina Anikeeva, Polina Fink, Yoel Thermally Drawn Highly Conductive Fibers with Controlled Elasticity |
| title | Thermally Drawn Highly Conductive Fibers with Controlled Elasticity |
| title_full | Thermally Drawn Highly Conductive Fibers with Controlled Elasticity |
| title_fullStr | Thermally Drawn Highly Conductive Fibers with Controlled Elasticity |
| title_full_unstemmed | Thermally Drawn Highly Conductive Fibers with Controlled Elasticity |
| title_short | Thermally Drawn Highly Conductive Fibers with Controlled Elasticity |
| title_sort | thermally drawn highly conductive fibers with controlled elasticity |
| url | https://hdl.handle.net/1721.1/142498 |
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