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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Rasines, Gloria | - |
dc.contributor.author | Macías, Carlos | - |
dc.contributor.author | Haro Remón, Marta | - |
dc.contributor.author | Jagiello, Jacek | - |
dc.contributor.author | Ovín Ania, María Concepción | - |
dc.date.accessioned | 2015-04-07T09:45:55Z | - |
dc.date.available | 2015-04-07T09:45:55Z | - |
dc.date.issued | 2015-01 | - |
dc.identifier.citation | Microporous and Mesoporous Materials 209: 18-22 (2015) | es_ES |
dc.identifier.issn | 1387-1811 | - |
dc.identifier.uri | http://hdl.handle.net/10261/113302 | - |
dc.description.abstract | We have analyzed the effects of CO2 activation on the porosity of ultrahigh pore volume carbon aerogels. Data obtained from the new 2D-NLDFT-HS model for carbons has been compared to the results of conventional methods (BJH, t-plot, DR); all the models were applied to the desorption branch of the isotherms. Physical activation of the carbon aerogel at different burn-off degrees resulted in materials showing increasing volume of micropores and alteration of mesopore structure. The later effect manifested itself by a characteristic inflection in the desorption branch of the nitrogen isotherm at high relative pressures. Such curvatures are attributed to a non uniform activation of the carbon matrix with CO2 that in some parts carves the surface of the precursor deeper than in others, creating bimodal/multimodal pore size distributions. The different methods applied for the assessment of the textural properties of the aerogels with ultrahigh micro-/mesoporosity showed excellent agreement in terms of pore volumes, surface areas and average pore size. | es_ES |
dc.description.sponsorship | The authors thank the financial support of the Spanish MINECO (grant CTM2011/02338). REFERENCES | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation.isversionof | Postprint | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Aerogels | es_ES |
dc.subject | Ultra-high micro-meso porosity | es_ES |
dc.subject | Physical activation | es_ES |
dc.subject | Textural characterization | es_ES |
dc.title | Effects of CO2 activation of carbon aerogels leading to ultrahigh micro-meso porosity | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1016/j.micromeso.2015.01.011 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1016/j.micromeso.2015.01.011 | es_ES |
dc.rights.license | http://creativecommons.org/licenses/by-nc-nd/4.0/ | - |
dc.relation.csic | Sí | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
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Effects of CO2_Rasines.pdf | 155,44 kB | Adobe PDF | Visualizar/Abrir |
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