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Title
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LDH and /LDH-type nanocomposite systems : a systematic study on structural characteristics
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Author
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Abstract
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| The work reported involves a detailed characterization study on a series of nanocomposite systems comprising layered double hydroxides and TiO2 seeds with anatase crystal structure. The TiO2/LDH nanocomposite structural and textural features were varied by the isomorphous substitution within the LDH sheets network of the divalent cations (Zn2+ by Cu2+) and the trivalent cations (Al3+ by Fe3+ or Ti4+) respectively. In depth characterization was obtained by using a combination of XRD, N-2 sorption, SEM, TEM/EDX and SAXS characterization techniques in order to maximize the structural information of the parent and modified LDH materials. An increase material compactness on the TiO2/LDH nanocomposites was observed due to the accommodation of the TiO2 seeds within the mesopores together with a surface coating. SAXS observations indicated the modification of the morphology of the parent LDH samples by the addition of the TiO2 seeds suggesting the rearrangement of the LDH layers during the nanocomposite formation. (C) 2014 Elsevier Inc. All rights reserved. |
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Language
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English
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Source (journal)
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Microporous and mesoporous materials: zeolites, clays, carbons and related materials. - Amsterdam
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Publication
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Amsterdam
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2015
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ISSN
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1387-1811
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DOI
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10.1016/J.MICROMESO.2014.10.029
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Volume/pages
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203
(2015)
, p. 208-215
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ISI
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000347593000025
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Full text (Publisher's DOI)
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Full text (open access)
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Full text (publisher's version - intranet only)
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