Water dynamics in mesoporous with periodically alternating surface interaction
Nanoconfined and interfacial liquid water is ubiquitous in Nature and plays a central role in many applications. This explains why the dynamics of liquid water in spatially confined geometry has been extensively studied, especially using mesoporous silica as a model system. According to the abundant QENS literature, it appears that the chemical nature of the surface of nanoporous materials can be envisioned as a driving parameter of water dynamics. Our aim is to make use of this phenomenon in order to tune the interfacial mobility of nanoconfined water from a spatial modulation of the surface-water interaction. The rationale of the project relies on our capability to design nanochannels that exhibit a periodic successions of hydrophobic and (weakly or highly) hydrophilic units, which are perfectly localised along the main pore axis at the molecular scale.
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MORINEAU Denis; BUSCH Mark; FROEBA Michael; HUBER Patrick and OLLIVIER Jacques. (2018). Water dynamics in mesoporous with periodically alternating surface interaction. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-07-34
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