Abstract
The mesoporous SBA-15 material is studied by small-angle Xray scattering (SAXS). It is shown that in this material, a part of silica exists as non-porous amorphous particles and does not make an ordered porous structure. A new technique is proposed to determine non-porous amorphous silica in ordered mesoporous silica materials. This technique allows the determination of not only the amount of non-porous amorphous silica in a porous matrix, but also its particle size distribution.
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The work was supported by project No. AAAA-A17-117041710079-8.
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Larichev, Y.V. SMALL-ANGLE SCATTERING STUDY OF THE POROUS STRUCTURE ORDERING IN THE MESOPOROUS SBA-15 MATERIAL. J Struct Chem 62, 147–152 (2021). https://doi.org/10.1134/S0022476621010170
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DOI: https://doi.org/10.1134/S0022476621010170