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http://hdl.handle.net/10261/184237
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dc.contributor.author | Jiménez Riobóo, R. J. | - |
dc.contributor.author | Climent-Pascual, Esteban | - |
dc.contributor.author | Díez-Betriu, Xavier | - |
dc.contributor.author | Jiménez-Villacorta, Félix | - |
dc.contributor.author | Prieto, Carlos | - |
dc.contributor.author | Andrés, Alicia de | - |
dc.date.accessioned | 2019-06-17T10:53:32Z | - |
dc.date.available | 2019-06-17T10:53:32Z | - |
dc.date.issued | 2015-04-13 | - |
dc.identifier | doi: 10.1039/c4tc02883j | - |
dc.identifier | issn: 2050-7526 | - |
dc.identifier.citation | Journal of Materials Chemistry C 3(19): 4868-4875 (2015) | - |
dc.identifier.uri | http://hdl.handle.net/10261/184237 | - |
dc.description.abstract | We propose a strategy to study the elastic properties of extremely thin graphene oxide (GO) films using Brillouin spectroscopy. The dependence of the surface acoustic wave of a gold capping layer on the structural, chemical and morphological changes occurring to the underneath GO film with temperature is reported and analyzed. At room temperature the shear constant c44 is ∼17 GPa and hardens up to 28 GPa at 100 °C due to the partial elimination of embedded water layers and to interlayer distance shrinking. At 200 °C the almost complete elimination of water induces layer stacking disorder, further GO–GO distance reduction and a significant increase of all elastic constants. The in-plane constants harden due to the partial restoration of the sp2 C network (c11: from 268 to 620 GPa) and the out of plane constants harden due to the H bonds that now directly connect the neighbouring GO layers (c44 ≈ 80 GPa). The obtained Young's moduli are significantly higher than those reported for GO paper because the ultra-thin GO films are highly ordered and there is no macroscopic applied strain during the measurement. The results obtained here are associated with the intrinsic properties of GO as in-plane and inter-layer bonding. | - |
dc.description.sponsorship | X.D. acknowledges a FPI scholarship from Spanish MINECO. The research leading to these results has received funding from Spanish MINECO under project MAT2012-37276-C03-01, from Comunidad de Madrid, project S2013/MIT-2740 (PHAMA_2.0-CM) and from the European Union Seventh Framework Program under grant agreement no. 604391 “Graphene Flagship.” info:eu-repo/grantAgreement/EC/FP7/604391 | - |
dc.publisher | Royal Society of Chemistry (UK) | - |
dc.relation | S2013/MIT-2740/PHAMA_2.0-CM | - |
dc.rights | closedAccess | - |
dc.title | Elastic constants of graphene oxide few-layer films: Correlations with interlayer stacking and bonding | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1039/c4tc02883j | - |
dc.relation.publisherversion | http://doi.org/10.1039/C4TC02883J | - |
dc.date.updated | 2019-06-17T10:53:32Z | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Comunidad de Madrid | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/100012818 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | none | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | No Fulltext | - |
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