Coagulation rates in concentrated colloidal suspensions studied by Brownian dynamics simulation
Literature Information
Characteristic coagulation time scales in colloidal suspensions are identified by using the Brownian dynamics simulation technique. Their dependences on the solid content and on the potential interaction parameters are measured. Each of these dependences can be captured by simple formulas to reasonable accuracy. Although not all of the values for the fitted parameters meet the model expectations, a better understanding of the coagulation mechanism is gained. In particular, we deduce different cluster–cluster bonding mechanisms in the presence of an energy barrier and its absence due to the different behavior of short and long time scales on variation of the solid content and of the surface potential.
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.




