Multifunctionality and control of the crumpling and unfolding of large-area graphene
Crumpled graphene films are widely used, for instance in electronics, energy storage, composites and biomedicine. Although it is known that the degree of crumpling affects graphene’s properties and the performance of graphene-based devices and materials, the controlled folding and unfolding of crump...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | en_US |
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Nature Publishing Group
2014
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| Online Access: | http://hdl.handle.net/1721.1/89213 https://orcid.org/0000-0002-4173-9659 |
| _version_ | 1826206495894667264 |
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| author | Zang, Jianfeng Ryu, Seunghwa Pugno, Nicola Wang, Qiming Tu, Qing Zhao, Xuanhe Buehler, Markus J |
| author2 | Massachusetts Institute of Technology. Department of Civil and Environmental Engineering |
| author_facet | Massachusetts Institute of Technology. Department of Civil and Environmental Engineering Zang, Jianfeng Ryu, Seunghwa Pugno, Nicola Wang, Qiming Tu, Qing Zhao, Xuanhe Buehler, Markus J |
| author_sort | Zang, Jianfeng |
| collection | MIT |
| description | Crumpled graphene films are widely used, for instance in electronics, energy storage, composites and biomedicine. Although it is known that the degree of crumpling affects graphene’s properties and the performance of graphene-based devices and materials, the controlled folding and unfolding of crumpled graphene films has not been demonstrated. Here we report an approach to reversibly control the crumpling and unfolding of large-area graphene sheets. We show with experiments, atomistic simulations and theory that, by harnessing the mechanical instabilities of graphene adhered on a biaxially pre-stretched polymer substrate and by controlling the relaxation of the pre-strains in a particular order, graphene films can be crumpled into tailored self-organized hierarchical structures that mimic superhydrophobic leaves. The approach enables us to fabricate large-area conductive coatings and electrodes showing superhydrophobicity, high transparency, and tunable wettability and transmittance. We also demonstrate that crumpled graphene–polymer laminates can be used as artificial-muscle actuators. |
| first_indexed | 2024-09-23T13:33:37Z |
| format | Article |
| id | mit-1721.1/89213 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T13:33:37Z |
| publishDate | 2014 |
| publisher | Nature Publishing Group |
| record_format | dspace |
| spelling | mit-1721.1/892132022-10-01T15:40:28Z Multifunctionality and control of the crumpling and unfolding of large-area graphene Zang, Jianfeng Ryu, Seunghwa Pugno, Nicola Wang, Qiming Tu, Qing Zhao, Xuanhe Buehler, Markus J Massachusetts Institute of Technology. Department of Civil and Environmental Engineering Massachusetts Institute of Technology. Laboratory for Atomistic and Molecular Mechanics Massachusetts Institute of Technology. School of Engineering Ryu, Seunghwa Buehler, Markus J. Crumpled graphene films are widely used, for instance in electronics, energy storage, composites and biomedicine. Although it is known that the degree of crumpling affects graphene’s properties and the performance of graphene-based devices and materials, the controlled folding and unfolding of crumpled graphene films has not been demonstrated. Here we report an approach to reversibly control the crumpling and unfolding of large-area graphene sheets. We show with experiments, atomistic simulations and theory that, by harnessing the mechanical instabilities of graphene adhered on a biaxially pre-stretched polymer substrate and by controlling the relaxation of the pre-strains in a particular order, graphene films can be crumpled into tailored self-organized hierarchical structures that mimic superhydrophobic leaves. The approach enables us to fabricate large-area conductive coatings and electrodes showing superhydrophobicity, high transparency, and tunable wettability and transmittance. We also demonstrate that crumpled graphene–polymer laminates can be used as artificial-muscle actuators. National Science Foundation (U.S.). Materials Research Science and Engineering Centers (Program) (DMR-1121107) National Science Foundation (U.S.) (CMMI-1200515) National Institutes of Health (U.S.) (UH2 TR000505) United States. Air Force Office of Scientific Research (FA9550-11-1-0199) National Science Foundation (U.S.). Materials Research Science and Engineering Centers (Program) (DMR-0819762) MIT-Italy Program 2014-09-05T18:47:16Z 2014-09-05T18:47:16Z 2013-01 2012-06 Article http://purl.org/eprint/type/JournalArticle 1476-1122 1476-4660 http://hdl.handle.net/1721.1/89213 Zang, Jianfeng, Seunghwa Ryu, Nicola Pugno, Qiming Wang, Qing Tu, Markus J. Buehler, and Xuanhe Zhao. “Multifunctionality and Control of the Crumpling and Unfolding of Large-Area Graphene.” Nature Materials 12, no. 4 (January 20, 2013): 321–325. https://orcid.org/0000-0002-4173-9659 en_US http://dx.doi.org/10.1038/nmat3542 Nature Materials Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf Nature Publishing Group PMC |
| spellingShingle | Zang, Jianfeng Ryu, Seunghwa Pugno, Nicola Wang, Qiming Tu, Qing Zhao, Xuanhe Buehler, Markus J Multifunctionality and control of the crumpling and unfolding of large-area graphene |
| title | Multifunctionality and control of the crumpling and unfolding of large-area graphene |
| title_full | Multifunctionality and control of the crumpling and unfolding of large-area graphene |
| title_fullStr | Multifunctionality and control of the crumpling and unfolding of large-area graphene |
| title_full_unstemmed | Multifunctionality and control of the crumpling and unfolding of large-area graphene |
| title_short | Multifunctionality and control of the crumpling and unfolding of large-area graphene |
| title_sort | multifunctionality and control of the crumpling and unfolding of large area graphene |
| url | http://hdl.handle.net/1721.1/89213 https://orcid.org/0000-0002-4173-9659 |
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