HAL will be down for maintenance from Friday, June 10 at 4pm through Monday, June 13 at 9am. More information
Skip to Main content Skip to Navigation
Journal articles

Surface phase diagrams: Evidence of molecular arrangements at the aqueous-solution/solid interface

Abstract : Surface state changes described as phase transitions or simple molecular rearrangements have become a key issue in modern science. Indeed, they have an impact on the development of numerous (nano)-technologies; they are also involved in biochemical and chemical mechanisms at the molecular level and also in environmental phenomena. At last, they have been at the origin of flourishing statistical descriptions that have illuminated new and very interesting aspects of surface behaviors. Here, to obtain still lacking coherent sets of experimental data on systems in which molecular interactions and thermodynamic properties are different, the adsorption behaviors of three aqueous mixtures in contact with a dense and homogeneous silica were studied versus concentrations and temperatures. Of course, these mixtures displayed very different bulk phase properties. Their stairlike isotherms are interpreted through surface phase diagrams; each of them is very similar to the corresponding bulk phase diagram. Their comparison gives new insights into the different surface states, the role of solvent in the surface, and the probable molecular mobility.
Document type :
Journal articles
Complete list of metadata

Contributor : Nicolas Renard Connect in order to contact the contributor
Submitted on : Wednesday, April 11, 2018 - 2:58:42 PM
Last modification on : Monday, October 11, 2021 - 2:22:08 PM

Links full text




D. Andrieux, A. Acharid, M.-C. Fritsch, J.M. Garcia, M.M. Martin, et al.. Surface phase diagrams: Evidence of molecular arrangements at the aqueous-solution/solid interface. Langmuir, American Chemical Society, 2004, 20 (25), pp.11012-11021. ⟨10.1021/la048067d⟩. ⟨hal-01763881⟩



Record views