Nucleation of solution convection channels as the first step in electro-hydrodynamic pattern formation

Literature Information

Publication Date 2000-02-28
DOI 10.1039/A909729E
Impact Factor 3.676
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Abstract

The evolution of luminescent electrohydrodynamic (EHD) convection patterns is observed in thin layer electrochemical cells. The applied cell voltage is found to initiate a nucleation-type process in which autonomous convection channels form between the electrodes. With progressing time, more channels of the same type along with irregularly shaped arrangements of such channels are detected. Within a period of seconds, the system undergoes a transition from the disordered into an ordered state. Thereby, the well-known cellular EHD convection structures emerge. However it appears that even in the stationary patterns the individual convection channels remain intact, constituting well discernible flow structures.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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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.

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