Dynamics of water inside hydrophobic nanotube
Liquids confined in nanotube environment possess anomalous static and dynamic properties which are of interest to a large scientific community. In particular, confined water is characterized by 1 and 2 dimensional structures (deep inside or facing the nanotube interface), faster diffusion than in bulk water, and possible collective modes associated with the specific HB networks. Despite many molecular dynamics simulations were focused on this topic, only a few experimental results can be found in the literature. With this proposal we want to investigate the dynamics of water confined in hydrophobic nanotubes of 1.5 nm diameter and 0.5-3 mm length in a temperature range from 2 to 280 K from ps to ns time scales. By comparing BS and TOF results from hydrated, partially hydrated and anhydrous nanotubes, we want to characterize the dynamics of the water inside the prototypical nanotubes. Such dynamics mirror the motion of water belonging to the clathrate-like structures, which shield the inner wall of the nanotube, and of the 1D water network that is present in the inner part of the nanotube.
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BRIGANTI Giuseppe; DE LUCA Francesco; MACCARINI Marco; PARMENTIER Alexandra and SEYDEL Tilo. (2012). Dynamics of water inside hydrophobic nanotube. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-02-512
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