Texture characterization of SiO2-ZrO2 aerogels by SAXS, image analysis of TEM, and N2 adsorption-desorption

S. Blacher; P. Tihon; R. Pirard; J. P. Pirard; B. Diez; Roger Sobry; G. Van den Bosshe; F. Brouers; Bendida Sahouli

doi:10.1117/12.267196

18 February 1997 Texture characterization of SiO2-ZrO2 aerogels by SAXS, image analysis of TEM, and N2 adsorption-desorption

S. Blacher, P. Tihon, R. Pirard, J. P. Pirard, B. Diez, Roger Sobry, G. Van den Bosshe, F. Brouers, Bendida Sahouli

Author Affiliations +

Proceedings Volume 3095, X-Ray Investigations of Polymer Structures; (1997) https://doi.org/10.1117/12.267196
Event: X-Ray Investigations of Polymer Structures, 1996, Bielsko-Biala, Poland

Abstract

The fractal structure of SiO₂-ZrO₂ mixed aerogel prepared for catalytic purpose is investigated using morphological statistical methods, small angle X-ray scattering and N₂ adsorption-desorption measurements. These three methods provide a description of the aerogel structure over several decades. We have shown that if mixed aerogels are correctly synthesized they may present a hierarchical structure that is not very different from that of pure silica aerogels.

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S. Blacher, P. Tihon, R. Pirard, J. P. Pirard, B. Diez, Roger Sobry, G. Van den Bosshe, F. Brouers, and Bendida Sahouli "Texture characterization of SiO2-ZrO2 aerogels by SAXS, image analysis of TEM, and N2 adsorption-desorption", Proc. SPIE 3095, X-Ray Investigations of Polymer Structures, (18 February 1997); https://doi.org/10.1117/12.267196

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