Unusual dynamics of water entrapped in the core of carbon nanotubes
Strong confinement of polar liquids into hydrophobic nanopores is a topic of great scientific interest due to potential spin-offs in a variety of fields, from biology to geology, to nanoscale fluids engineering. In spite of the large amount of computational works produced about this subject in the past decade, experimental confirmations to simulated data are still largely skimped on because of objective difficulties in direct manipulation of nanometer-sized systems, so causing a real epistemological gap to grow between theory and experiment. The present study proposal aims to investigate the unusual dynamics of a ubiquitous solvent, water, confined both on the outer surface and in the inner core of a system of single-wall carbon nanotubes over a motional characteristic-time range from ps to ns as a function of temperature. Consequently, beamtime on a combination of BS and ToF instruments is applied for, in order to support predictions from simulation literature and scanty results from experimental investigations about a possible unexpected behavior of water in a quasi-1D geometry.
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MACCARINI Marco; BRIGANTI Giuseppe; DE LUCA Francesco; OLLIVIER Jacques; PARMENTIER Alexandra; ROGATI Giovanna Maria Adelmina and SEYDEL Tilo. (2013). Unusual dynamics of water entrapped in the core of carbon nanotubes. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-02-514
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