Small-Angle Neutron Scattering Studies on the Mesoporous Molecular Sieve MCM-41

A pure silica MCM-41 preparation with high crystalline order perpendicular to the channels has been examined using small-angle neutron scattering and the contrast variation method in both the calcined and template-containing forms. This defines various structural features such as template and water...

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Bibliographic Details
Published in:The journal of physical chemistry. B 1998-05, Vol.102 (19), p.3676-3683
Main Authors: Edler, Karen J, Reynolds, Philip A, White, John W
Format: Article
Language:English
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Summary:A pure silica MCM-41 preparation with high crystalline order perpendicular to the channels has been examined using small-angle neutron scattering and the contrast variation method in both the calcined and template-containing forms. This defines various structural features such as template and water distributions and content, local silica density, and surface properties. Adsorption isotherm data, NMR, previous neutron scattering data, and the SANS data allow a choice between proposed models for the channel structure of MCM-41, in terms of the straightness of the channels and their surface roughness.
ISSN:1520-6106
1520-5207
DOI:10.1021/jp971694+