ArticleMolecules (Basel, Switzerland)2021
Spectral and Texture Properties of Hydrophobic Aerogel Powders Obtained from Room Temperature Drying.
Article in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Porous Silica Gels Doped with Gold Nanoparticles: Preparation, Microstructure, Optical and Textural Properties.Gels (Basel, Switzerland) · 2025Article
- Luminescence of Binary-Doped Silica Aerogel Powders: A Two-Step Sol-Gel Approach.Gels (Basel, Switzerland) · 2024Article
- Silica Gels Doped with Gold Nanoparticles: Preparation, Structure and Optical Properties.Gels (Basel, Switzerland) · 2023Article
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4 authors.
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Abstract
Attenuated Total Reflectance Infrared (ATR-IR) spectroscopy and texture measurements based on nitrogen adsorption-desorption isotherms are combined to characterize silica aerogel granules with different degrees of hydrophobicity. The aerogels were prepared from tetraethoxysilane via a room temperature hydrolysis-gelation process, solvent exchange, hydrophobization, and drying at subcritical conditions. The dependencies between the texture properties, pore architectures, surface fractal dimensions, and degree of hydrophobicity of the samples are extracted from the ATR-IR spectra and the adsorption-desorption isotherms. The IR absorption in the region of the Si-O-Si and Si-OH vibrations is used for a description of the structural and chemical changes in aerogel powders connected with their surface hydrophobization. The Frenkel-Halsey-Hill (FHH) theory is applied to determine the surface fractal dimension of the powder species.
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