Toward the Synthesis of Extra-Large-Pore MCM-41 Analogues

A new approach is proposed for the synthesis of extra-large-pore (diameter > 7 nm) MCM-41 analogues, potentially useful as hosts for the synthesis of nanowires and as model porous solids for fundamental research. The approach is based on the recently demonstrated opportunity for elimination of th...

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Bibliographic Details
Published in:Chemistry of materials 2001-05, Vol.13 (5), p.1726-1731
Main Authors: Matos, Jivaldo R, Mercuri, Lucildes P, Kruk, Michal, Jaroniec, Mietek
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Porous materials
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Summary:A new approach is proposed for the synthesis of extra-large-pore (diameter > 7 nm) MCM-41 analogues, potentially useful as hosts for the synthesis of nanowires and as model porous solids for fundamental research. The approach is based on the recently demonstrated opportunity for elimination of the connecting pores in the walls of SBA-15 silica during high-temperature (about 1243 K) calcination, which afforded MCM-41 analogues, but the latter had a limited pore size (
ISSN:0897-4756
1520-5002
DOI:10.1021/cm000964p