Phosphate alumina process by sol-gel: Textural and fractal properties

A. Balankin, T. López, R. Alexander-Katz, A. Córdova, O. Susarrey, R. Montiel

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

In the present work, we report an alternative way to prepare inorganic particles of alumina by sol-gel, starting with a metal alkoxide (aluminum butoxide) with controlled pore sizes to obtain a maximum amount of air hollows occluded inside the particle to produce a favorable change in the effective refraction index of the clusters. Furthermore, we characterized the texture and fractal nature of the synthesized materials by means of transmission electron microscopy, thermodynamic analysis of adsorption-desorption isotherms, and small-angle X-ray scattering. The results of this study give a deeper insight into the mechanisms of gel formation.

Original languageEnglish
Pages (from-to)3628-3634
Number of pages7
JournalLangmuir
Volume19
Issue number9
DOIs
StatePublished - 29 Apr 2003

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