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Title

Development of microporous carbon xerogels by controlling synthesis conditions

AuthorsZubizarreta, Leire CSIC ORCID; Arenillas de la Puente, Ana CSIC ORCID ; Domínguez Padilla, Antonio CSIC; Menéndez Díaz, José Ángel CSIC ORCID ; Pis Martínez, José Juan CSIC
KeywordsCatalysis
Electrochemical properties
Microwave
Sol–gels xerogels
Adsorption
Issue Date1-Feb-2008
PublisherElsevier
CitationJournal of Non-Crystalline Solids 354(10/11): 817-825 (2008)
AbstractTextural properties of carbon gels can be controlled by varying the synthesis and drying process conditions. In this work, the influence of the initial pH and the drying method on the final properties of carbon gels, synthesized using methanol as a solvent, was evaluated. Furthermore, the use of microwaves as a drying method for the synthesis of carbon xerogels was assessed. In the light of the results obtained, in order to synthesize monolithic and microporous carbon gels in a short period of time, the use of a multimode microwave oven is proposed. The use of pH 7 also leads to shorter gelation times and more consistent monoliths. Furthermore, the multimode microwave drying can produce homogeneous microporosity and surface areas of up to 1341 m2 g−1, in a very short time (i.e., only 6 min is required for the drying step).
Description9 pages, 7 figures, 4 tables. -- Available online 25 September 2007.
Publisher version (URL)http://dx.doi.org/10.1016/j.jnoncrysol.2007.08.015
URIhttp://hdl.handle.net/10261/11574
DOI10.1016/j.jnoncrysol.2007.08.015
ISSN0022-3093
Appears in Collections:(INCAR) Artículos

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