Integrated Fractal Analysis of Silica: Adsorption, Electronic Energy Transfer, and Small-Angle X-ray Scattering

D. Rojanski*, D. Huppert, H. D. Bale, Xie Dacai, P. W. Schmidt, D. Farin, A. Seri-Levy, D. Avnir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

117 Scopus citations

Abstract

The fractal dimension D of a mesoporous silica gel was determined by three independent approaches: (1) adsorption methods based on (a) tiling of the surface with molecules of different cross-sectional area and (b) analysis of the change in measured surface area as a function of the size of the silica particles; (2) analysis of one-step dipolar energy transfer between adsorbed rhodamine B and malachite green; (3) measurements of power-law small-angle x-ray scattering. All three techniques indicate that the surface is extremely rough and irregular, with a fractal dimension D nearly equal to 3.

Original languageEnglish
Pages (from-to)2505-2508
Number of pages4
JournalPhysical Review Letters
Volume56
Issue number23
DOIs
StatePublished - 1986

Fingerprint

Dive into the research topics of 'Integrated Fractal Analysis of Silica: Adsorption, Electronic Energy Transfer, and Small-Angle X-ray Scattering'. Together they form a unique fingerprint.

Cite this