Stochastic Dynamics in Carbon-based Mesoscopic Liquids for Thermal-energy Storage
We have recently studied the emergence of liquid phases in fullerene derivatives. These materials are characterised by typical particle sizes in the nanometer domain and much-shorter effective interparticle interactions. As such, they may be regarded as a new class of mesoscopic media exhibiting new properties markedly different from the parent compound C60. So far, our investigations have focused on the microscopic mechanisms of pre-melting and melting using a combination of quasielastic neutron scattering (IRIS \& OSIRIS at ISIS) along with computational modelling. Corannulene represents the most interesting case, exhibiting a well-defined solid-to-liquid transition just above 500 K, as well as a deep-supercooling regime extending over 100 K below melting, a feature that renders it a competitive candidate for thermal-energy storage applications. In this IN16B experiment, we seek to explore longer timescales into the nanosecond regime in corannulene. We anticipate that these experiments will provide new insights into the spatial & temporal character of the stochastic dynamics and underlying diffusion mechanisms in these novel fluids, including direct comparison with simulations.
The data is currently only available to download if you are a member of the proposal team.
The recommended format for citing this dataset in a research publication is in the following format:
FELIX FERNANDEZ-ALONSO; BRESME Fernando; Mattia Gaboardi and SEYDEL Tilo. (2020). Stochastic Dynamics in Carbon-based Mesoscopic Liquids for Thermal-energy Storage. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-02-596
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