Determination and Tailoring the Pore Entrance Size in Ordered Silicas with Cage-like Mesoporous Structures

A practical approach to the determination of the pore entrance size in ordered silicas with cage-like mesoporous structures (OSCMSs) is proposed. A fundamental insight into the OSCMS pore connectivity is gained, including the control of the pore entrance size by post-synthesis surface modification,...

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Bibliographic Details
Published inJournal of the American Chemical Society Vol. 124; no. 5; pp. 768 - 769
Main Authors Kruk, Michal, Antochshuk, Valentyn, Matos, Jivaldo R, Mercuri, Lucildes P, Jaroniec, Mietek
Format Journal Article
LanguageEnglish
Published Washington, DC American Chemical Society 06.02.2002
Subjects
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Porous materials
Characterization
Pore size
Pore structure
Ordered structure
Adsorption capacity
Experimental study
Lattice parameters
Porous material
Silica
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Summary:A practical approach to the determination of the pore entrance size in ordered silicas with cage-like mesoporous structures (OSCMSs) is proposed. A fundamental insight into the OSCMS pore connectivity is gained, including the control of the pore entrance size by post-synthesis surface modification, and by selection of appropriate synthesis temperature. These findings show a new promise for the synthesis of mesoporous solids with molecular size- and shape-selective properties.
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ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0002-7863
1520-5126
DOI:10.1021/ja0170854