ArticleLangmuir : the ACS journal of surfaces and colloids2025
Tuning the Mesopore Network in Meso-Macroporous Silica Monoliths by Hydrothermal Treatment - A Physisorption Study.
Article in Langmuir : the ACS journal of surfaces and colloids, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Fructose dehydration to 5-hydroxymethylfurfural over supported acid catalysts: impact of acid chemical species.Sustainable energy & fuels · 2026Article
- Waste-Glass-Derived Porous Silica: Synthesis and Structural Characterization.Materials (Basel, Switzerland) · 2026Article
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Authors and funding
5 authors.
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Abstract
Macro-mesoporous silica monolith columns, prepared by a sol-gel procedure developed by K. Nakanishi, show beneficial flow and separation properties due to their 3D-interconnected macropores in combination with mesopores, providing a high surface area. Building on this, they are routinely used in analytical liquid chromatography. Within the synthetic process, fine-tuning of the mesopore dimension and interconnection is achieved by an etching step involving hydrothermal treatment under basic conditions, typically in the range of 80 °C-100 °C. The present study aims to unravel details of this harsh procedure by a comprehensive analysis of the resulting mesoporous network. Thus, a series of silica monoliths was prepared across a range of hydrothermal treatment temperatures (HTT) between 80 and 110 °C, thereby tuning the mesoporosity. Mercury intrusion porosimetry confirmed that enhanced HTT does not alter the macropore dimension and only affects the mesopore space. The study employed state-of-the-art physisorption analysis applying two adsorptives, Ar (87 K) and N
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