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Title

Synthesis, Swelling, and Exfoliation of Microporous Lamellar Titanosilicate AM-4

AuthorsCasado, Clara; Ambroj, Diego; Mayoral, Álvaro; Vispe, Eugenio ; Téllez, Carlos; Coronas, Joaquín
KeywordsIntercalations
Layered compounds
Adsorption
Organic–inorganic hybrid composites
Zeolite analogues
Issue DateMay-2011
PublisherWiley-VCH
CitationEuropean Journal of Inorganic Chemistry 14: 2247-2253 (2011)
AbstractAM-4 is a layered porous titanosilicate built from TiO6 and SiO4 polyhedra. An improved synthesis of AM-4 crystalsenabling control of particle size by secondary growth and reducing synthesis time is presented. A new material, UZAR-S2, has been obtained by exfoliation of the smaller AM-4. The exfoliation consists of proton exchange with acetic acid, intercalation with nonylamine, and final activation by washing with HCl/water/ethanol. Besides XRD, TEM, N2 adsorption, FTIR, and UV/Vis characterization highlighting the delaminated character of UZAR-S2, CO2 adsorption was also measured.
Description7 páginas, 10 figuras, 2 tablas.
Publisher version (URL)http://dx.doi.org/10.1002/ejic.201100152
URIhttp://hdl.handle.net/10261/55917
DOI10.1002/ejic.201100152
ISSN1434-1948
E-ISSN1099-0682
Appears in Collections:(ISQCH) Artículos
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