publication . Article . Other literature type . 2019

Pore Size-Dependent Structure of Confined Water in Mesoporous SilicaFilms from Water Adsorption/Desorption Using ATR–FTIR Spectroscopy

Bettina Baumgartner; Jakob Hayden; Jérôme Loizillon; Sophia Steinbacher; David Grosso; Bernhard Lendl;
Open Access English
  • Published: 17 Oct 2019
  • Publisher: Americal Chemical Society (ACS)
  • Country: Austria
Abstract
The local structure of water on chemically and structurally different surfaces is a subject of ongoing research. In particular, confined spaces as found in mesoporous silica have a pronounced effect on the interplay between the adsorbate–adsorbate and adsorbate–surface interactions. Mid-infrared spectroscopy is ideally suited to quantitatively and qualitatively study such systems as the probed molecular vibrations are highly sensitive to intermolecular interactions. Here, the quantity and structure of water adsorbed from the gas phase into silica mesopores at different water vapor pressures was monitored using mid-infrared attenuated total reflection (ATR) spect...
Subjects
free text keywords: water adsorption, water desorption, spectroscopy, confined water, mesoporous, silica films, Spectroscopy, Electrochemistry, General Materials Science, Surfaces and Interfaces, Condensed Matter Physics, Adsorption, Attenuated total reflection, Water vapor, Fourier transform infrared spectroscopy, Organic chemistry, Vapor pressure, Chemical engineering, Chemistry, Mesoporous silica, Mesoporous material
Related Organizations
Funded by
EC| AQUARIUS
Project
AQUARIUS
BROADBAND TUNABLE QCL BASED SENSOR FOR ONLINE AND INLINE DETECTION OF CONTAMINANTS IN WATER
  • Funder: European Commission (EC)
  • Project Code: 731465
  • Funding stream: H2020 | RIA
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