C 60 : the first one-component gel?
Date
2011
Authors
Royall, C. Patrick
Williams, Stephen
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Publisher
American Chemical Society
Abstract
Until now, gels have been formed of multicomponent soft matter systems, consisting of a solvent and one or more macromolecular or colloidal species. Here we show that, for sufficient quench rates, the Girifalco model of C60 can form gels which we identify by their slow dynamics and long-lived network structure. These gels are stable at room temperature, at least on the simulation time scale up to 100 ns. At moderate temperatures around 1000 K, below the bulk glass transition temperature, C60 exhibits crystallization and phase separation proceeds without the dynamical arrest associated with gelation, in contrast to many colloidal systems.
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Keywords
Keywords: Bulk glass; Colloidal system; Moderate temperature; Multicomponents; Network structures; Quench rate; Room temperature; Simulation time; Slow dynamics; Soft matter; Coagulation; Gelation; Gels; Phase separation; Glass transition
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Source
Journal of Physical Chemistry B
Type
Journal article
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Restricted until
2037-12-31
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