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Updated: Jul 11, 2026

In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO2 Adsorption in UiO-66 Metal-Organic Framework
Published on: February 1, 2020
Thermodynamics of carbon monoxide adsorption on polycrystalline titania studied by static adsorption microcalorimetry
Xinyu Xia1, Wilma Busser, Jennifer Strunk
1Laboratory of Industrial Chemistry, Ruhr-University Bochum, D-44780 Bochum, Germany. xinyu_xia@berkeley.edu
Abstract:
The adsorption of CO on polycrystalline TiO2 was investigated by static adsorption microcalorimetry. The initial differential heat of adsorption (qdiff,0) of CO on polycrystalline titania is 40 kJ/mol, and the standard adsorption entropy (Deltas0) is -104 J mol(-1) K(-1). These results are consistent with those derived from temperature-programmed desorption and FTIR results in the literature. The good reproducibility of the isotherms and the stable qdiff indicate that the lattice oxygen and hydroxyl groups on titania surface are basically not reactive to adsorbed CO.
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