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Issue 45, 2011
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Al-promoted increase of surface area and adsorption capacity in ordered mesoporous silica materials with a cubic structure

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Abstract

The structure of ordered mesoporous materials presenting a cubic structure undergoes a strong modification after adding aluminium alkoxides to the synthesis gel. As a result, an outstanding increase in the surface area and pore volume is observed, together with changes in the mesopore ordering. Hydrated aluminium species influence the chemical environment of the micelles during synthesis, which seems to induce the accumulation of stacking faults in the mesopore framework, and give rise to closer structural packing. The adsorption and release of ibuprofen as a test molecule correlates well with the textural changes observed.

Graphical abstract: Al-promoted increase of surface area and adsorption capacity in ordered mesoporous silica materials with a cubic structure

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Publication details

The article was received on 22 Sep 2011, accepted on 05 Oct 2011 and first published on 20 Oct 2011


Article type: Communication
DOI: 10.1039/C1CC15899F
Chem. Commun., 2011,47, 12337-12339

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    Al-promoted increase of surface area and adsorption capacity in ordered mesoporous silica materials with a cubic structure

    D. Carmona, F. Balas, Á. Mayoral, R. Luque, E. P. Urriolabeitia and J. Santamaría, Chem. Commun., 2011, 47, 12337
    DOI: 10.1039/C1CC15899F

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