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Título: | Hydrogen adsorption studies on single wall carbon nanotubes |
Autor: | Ansón Casaos, Alejandro CSIC ORCID ; Callejas, María A.; Benito, Ana M. CSIC ORCID ; Maser, Wolfgang K. CSIC ORCID ; Izquierdo Pantoja, María Teresa CSIC ORCID ; Rubio Villa, Begoña CSIC ORCID ; Jagiello, Jacek; Thommes, M.; Parra Soto, José Bernardo CSIC ORCID ; Martínez Fernández de Landa, María Teresa CSIC ORCID | Palabras clave: | Carbon nanotubes Soot Adsorption properties Density Porosity |
Fecha de publicación: | 10-feb-2004 | Editor: | Elsevier | Citación: | Carbon 42(7): 1243-1248 (2004) | Resumen: | Hydrogen adsorption data on as-grown and heat-treated single walled carbon nanotubes (SWNTs) obtained by a volumetric procedure using a Quantachrome Autosorb-1 equipment are presented. The amounts of hydrogen adsorbed at atmospheric pressure reach approximately 0.01 wt.% at 298 K and 1 wt.% at 77 K. The isosteric heat of adsorption has been calculated for both samples from H2 equilibrium adsorption data at three temperatures, having initial values of 7.42 and 7.75 kJ mol−1. Studies in porous structure by N2 adsorption and density measurements in helium pycnometer are reported. | Descripción: | 6 pages, 4 figures.-- Issue title: Carbon '03 Conference (Oviedo, Spain, Jul 6-10, 2003). | Versión del editor: | http://dx.doi.org/10.1016/j.carbon.2004.01.038 | URI: | http://hdl.handle.net/10261/11158 | DOI: | 10.1016/j.carbon.2004.01.038 | ISSN: | 0008-6223 |
Aparece en las colecciones: | (ICB) Artículos (INCAR) Artículos |
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