dc.contributor.author | Bracamonte, María Victoria | |
dc.contributor.author | Lacconi, Gabriela Inés | |
dc.contributor.author | Urreta, Silvia Elena | |
dc.contributor.author | Foa Torres, Luis Eduardo Francisco | |
dc.date.accessioned | 2021-09-21T17:50:51Z | |
dc.date.available | 2021-09-21T17:50:51Z | |
dc.date.issued | 2014 | |
dc.identifier.citation | Bracamonte, M. V., Lacconi, G. I., Urreta, S. E. y Foa Torres, L. E. F. (2014). On the nature of defects in liquid-phase exfoliated graphene. Journal of Physical Chemistry C, 118 (28), 15455-15459. https://doi.org/10.1021/jp501930a | es |
dc.identifier.uri | http://hdl.handle.net/11086/20398 | |
dc.identifier.uri | https://doi.org/10.1021/jp501930a | |
dc.description.abstract | Liquid-phase exfoliation is one of the most promising routes for large-scale production of multilayer graphene dispersions. These dispersions, which may be used in coatings, composites, or paints, are believed to contain disorder-free graphene multilayers. Here, we address the nature of defects in such samples obtained by liquid-phase exfoliation of graphite powder in N-methyl-2-pyrrolidone. Our Raman spectroscopy data challenge the assumption that these multilayers are free of bulk defects, revealing that defect localization strongly depends on the sonication time. For short ultrasound times, defects are located mainly at the layer edges but they turn out to build up in the bulk for ultrasonic times above 2 h. This knowledge may help to devise better strategies to achieve high-quality graphene dispersions. | en |
dc.format.medium | Impreso; Electrónico y/o Digital | |
dc.language.iso | eng | es |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 International | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.source | ISSN 1932-7447 | |
dc.subject | Raman | en |
dc.subject | Carbon-based materials | en |
dc.subject | Ultrasound | en |
dc.subject | Graphene dispersions | en |
dc.title | On the nature of defects in liquid-phase exfoliated graphene | en |
dc.type | article | es |
dc.description.version | submittedVersion | es |
dc.description.fil | Fil: Bracamonte, María Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Física Enrique Gaviola; Argentina. | es |
dc.description.fil | Fil: Bracamonte, María Victoria. Universidad Nacional de Córdoba. Facultad de Matemática, Astronomía y Física; Argentina. | es |
dc.description.fil | Fil: Lacconi, Gabriela Inés. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Departamento de Fisicoquímica; Argentina. | es |
dc.description.fil | Fil: Lacconi, Gabriela Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Fisicoquímica de Córdoba; Argentina. | es |
dc.description.fil | Fil: Urreta, Silvia Elena. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Física Enrique Gaviola; Argentina. | es |
dc.description.fil | Fil: Urreta, Silvia Elena. Universidad Nacional de Córdoba. Facultad de Matemática, Astronomía y Física; Argentina. | es |
dc.description.fil | Fil: Foa Torres, Luis Eduardo Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Física Enrique Gaviola; Argentina. | es |
dc.description.fil | Fil: Foa Torres, Luis Eduardo Francisco. Universidad Nacional de Córdoba. Facultad de Matemática, Astronomía y Física; Argentina. | es |
dc.journal.city | Washington | es |
dc.journal.country | Estados Unidos | es |
dc.journal.editorial | American Chemical Society | en |
dc.journal.number | 28 | es |
dc.journal.pagination | 15455-15459 | es |
dc.journal.referato | Con referato | |
dc.journal.title | Journal of Physical Chemistry C | en |
dc.journal.volume | 118 | es |
dc.description.field | Física de los Materiales Condensados | |