Super-elasticity of three-dimensionally cross-linked graphene materials all the way to deep cryogenic temperatures

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dc.citation.articleNumbereaav2589en_US
dc.citation.issueNumber4en_US
dc.citation.journalTitleScience Advancesen_US
dc.citation.volumeNumber5en_US
dc.contributor.authorZhao, Kaien_US
dc.contributor.authorZhang, Tengfeien_US
dc.contributor.authorChang, Huicongen_US
dc.contributor.authorYang, Yangen_US
dc.contributor.authorXiao, Peishuangen_US
dc.contributor.authorZhang, Hongtaoen_US
dc.contributor.authorLi, Chenxien_US
dc.contributor.authorTiwary, Chandra Sekharen_US
dc.contributor.authorAjayan, Pulickel M.en_US
dc.contributor.authorChen, Yongshengen_US
dc.date.accessioned2019-12-06T15:32:24Zen_US
dc.date.available2019-12-06T15:32:24Zen_US
dc.date.issued2019en_US
dc.description.abstractUntil now, materials with high elasticity at deep cryogenic temperatures have not been observed. Previous reports indicated that graphene and carbon nanotube–based porous materials can exhibit reversible mechano-elastic behavior from liquid nitrogen temperature up to nearly a thousand degrees Celsius. Here, we report wide temperature–invariant large-strain super-elastic behavior in three-dimensionally cross-linked graphene materials that persists even to a liquid helium temperature of 4 K, a property not previously observed for any other material. To understand the mechanical properties of these graphene materials, we show by in situ experiments and modeling results that these remarkable properties are the synergetic results of the unique architecture and intrinsic elastic/flexibility properties of individual graphene sheets and the covalent junctions between the sheets that persist even at harsh temperatures. These results suggest possible applications for such materials at extremely low temperature environments such as those in outer space.en_US
dc.identifier.citationZhao, Kai, Zhang, Tengfei, Chang, Huicong, et al.. "Super-elasticity of three-dimensionally cross-linked graphene materials all the way to deep cryogenic temperatures." <i>Science Advances,</i> 5, no. 4 (2019) AAAS: https://doi.org/10.1126/sciadv.aav2589.en_US
dc.identifier.digitaleaav2589.fullen_US
dc.identifier.doihttps://doi.org/10.1126/sciadv.aav2589en_US
dc.identifier.urihttps://hdl.handle.net/1911/107795en_US
dc.language.isoengen_US
dc.publisherAAASen_US
dc.rightsDistributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).en_US
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/en_US
dc.titleSuper-elasticity of three-dimensionally cross-linked graphene materials all the way to deep cryogenic temperaturesen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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