Please use this identifier to cite or link to this item: doi:10.22028/D291-24034
Title: Structural study of fractal silica humid gels
Author(s): Craievich, Aldo F.
Dos Santos, Dayse Iara
Aegerter, Michel A.
Lours, Thierry
Zarzycki, Jerzy
Language: English
Year of Publication: 1988
OPUS Source: Journal of non-crystalline solids. - 100. 1988, 1/3, S. 424-428
SWD key words: Gel
DDC notations: 620 Engineering and machine engineering
Publikation type: Journal Article
Abstract: The structures of gels of silica obtained from solutions of TMOS, methanol and water have been studied by small angle X-ray scattering (SAXS) using synchrotron radiation. The SAXS results indicate that all the gels studied exhibit fractal structures. It is inferred that gels obtained under basic conditions are volume fractals built up by surface and volume fractal units for high and low water content, respectively. The gels obtained under acidic conditions are all volume fractals having structural units much smaller than those of basic gels. The influence of aging on the structure of basic gels has also been established.
Link to this record: urn:nbn:de:bsz:291-scidok-21636
Date of registration: 27-May-2009
Faculty: SE - Sonstige Einrichtungen
Department: SE - INM Leibniz-Institut für Neue Materialien
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