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    Synthesis and carbon dioxide sorption of layered double hydroxide/silica foam nanocomposites with hierarchical mesostructure

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    Type
    Article
    Authors
    Fu, Liling
    Qi, Genggeng
    Shekhah, Osama cc
    Belmabkhout, Youssef cc
    Estévez, Luis Antonio
    Eddaoudi, Mohamed cc
    Giannelis, Emmanuel P.
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Chemical Science Program
    Functional Materials Design, Discovery and Development (FMD3)
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    KUS-C1-018-02
    Date
    2014-03-05
    Online Publication Date
    2014-03-05
    Print Publication Date
    2014-04
    Permanent link to this record
    http://hdl.handle.net/10754/563432
    
    Metadata
    Show full item record
    Abstract
    Layered double hydroxides (LDHs) with a hierarchical mesostructure are successfully synthesized on mesoporous silica foams by simple impregnation and hydrothermal treatment. The as-synthesized LDH/silica foam nanocomposites show well-defined mesostructures with high surface areas, large pore volumes, and mesopores of 6-7 nm. The nanocomposites act as carbon dioxide (CO2) sorbents under simulated flue gas conditions. They also exhibit significantly enhanced CO2 capacities under high-pressure conditions and high CO2/N2 and CO2/CH4 selectivities. Respect the hierarchy: Hierarchical mesoporous layered double hydroxide (LDH) nanocomposites with high surface areas and large pore volumes are synthesized by controlled hydrothermal growth of LDH precursors on a mesoporous silica foam. The as-synthesized nanocomposites exhibit a significantly enhanced capacity and selectivity towards carbon dioxide, making them very promising candidates for carbon dioxide (CO2) separation applications. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
    Citation
    Fu, L., Qi, G., Shekhah, O., Belmabkhout, Y., Estevez, L., Eddaoudi, M., & Giannelis, E. P. (2014). Synthesis and Carbon Dioxide Sorption of Layered Double Hydroxide/Silica Foam Nanocomposites with Hierarchical Mesostructure. ChemSusChem, 7(4), 1035–1039. doi:10.1002/cssc.201300973
    Sponsors
    This work was financially supported by Award KUS-C1-018-02, made by King Abdullah University of Science and Technology (KAUST).
    Publisher
    Wiley
    Journal
    ChemSusChem
    DOI
    10.1002/cssc.201300973
    PubMed ID
    24596070
    ae974a485f413a2113503eed53cd6c53
    10.1002/cssc.201300973
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Functional Materials Design, Discovery and Development (FMD3); Chemical Science Program

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