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Characterisation of porous solids using small-angle scattering and NMR cryoporometry

Dore, John C., Webber, J. Beau W., Strange, John H. (2004) Characterisation of porous solids using small-angle scattering and NMR cryoporometry. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 241 (1-3). pp. 191-200. (doi:10.1016/j.colsurfa.2004.04.005) (KAR id:23116)

Language: English

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The characteristics of several porous systems have been studied by the use of small-angle neutron scattering [SANS] and nuclear magnetic resonance [NMR] techniques. The measurements reveal different characteristics for sol-gel silicas, activated carbons and ordered mesoporous silicas of the MCM and SBA type. Good agreement is obtained between gas adsorption measurements and the NMR and SANS results for pore sizes above 10 nm. Recent measurements of the water/ice phase transformation in SBA silicas by neutron diffraction are also presented and indicate a complex relationship that will require more detailed treatment in terms of the possible effects of microporosity in the silica substrate. The complementarity of the different methods is emphasised and there is brief discussion of issues related to possible future developments.

Item Type: Article
DOI/Identification number: 10.1016/j.colsurfa.2004.04.005
Uncontrolled keywords: Mesoporous silicas, activated carbons, small-angle scattering, cryoporometry, neutron diffraction
Subjects: Q Science > QC Physics > QC176.8.N35 Nanoscience, nanotechnology
Q Science > QC Physics
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Depositing User: J.B.W. Webber
Date Deposited: 29 Jun 2011 12:54 UTC
Last Modified: 16 Nov 2021 10:01 UTC
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