Synthesis of Si-based mesoporous materials with different structural regularity

Lifang Chen, Jesus López, Jin An Wang, Luis E. Noreña, Guoxian Yu, Fahai Cao, Yueqing Song, Xiaolong Zhou

    Resultado de la investigación: Capítulo del libro/informe/acta de congresoContribución a la conferencia

    Resumen

    Two types of mesoporous Si-MCM-41 materials were synthesized via a cationic surfactant template method using different Si-precursors. The materials obtained were characterized by FTIR, XRD, BET, TEM and 29Si MAS-NMR techniques. When fumed silica was used as Si precursor, a Si-MCM-41-I solid with wormhole-like pore topologies was obtained. However, when tetraethylorthosilicate (TEOS) was used as Si precursor, a mesoporous Si-MCM-41-II solid with hexagonal arranges and a long-range ordered structure could be obtained. These two kinds of mesoporous materials had a uniform pore size distribution with an average pore diameter within 2.3-2.8 nm. Rather weak Lewis acid sites were formed on both the Si-MCM-41 samples prepared by the two methods.

    Idioma originalInglés
    Título de la publicación alojadaAdvances in New Catalytic Materials
    Páginas38-44
    Número de páginas7
    DOI
    EstadoPublicada - 1 dic 2010
    Evento2nd International Symposium on New Catalytic Materials, NCM-2 - Cancun, México
    Duración: 16 ago 200920 ago 2009

    Serie de la publicación

    NombreAdvanced Materials Research
    Volumen132
    ISSN (versión impresa)1022-6680

    Conferencia

    Conferencia2nd International Symposium on New Catalytic Materials, NCM-2
    PaísMéxico
    CiudadCancun
    Período16/08/0920/08/09

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  • Citar esto

    Chen, L., López, J., Wang, J. A., Noreña, L. E., Yu, G., Cao, F., Song, Y., & Zhou, X. (2010). Synthesis of Si-based mesoporous materials with different structural regularity. En Advances in New Catalytic Materials (pp. 38-44). (Advanced Materials Research; Vol. 132). https://doi.org/10.4028/www.scientific.net/AMR.132.38