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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.6b04010
|2 doi
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|a eng
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|a Giera, Brian
|e verfasserin
|4 aut
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|a Mesoscale Particle-Based Model of Electrophoretic Deposition
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 11.05.2018
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|a Date Revised 11.05.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We present and evaluate a semiempirical particle-based model of electrophoretic deposition using extensive mesoscale simulations. We analyze particle configurations in order to observe how colloids accumulate at the electrode and arrange into deposits. In agreement with existing continuum models, the thickness of the deposit increases linearly in time during deposition. Resulting colloidal deposits exhibit a transition between highly ordered and bulk disordered regions that can give rise to an appreciable density gradient under certain simulated conditions. The overall volume fraction increases and falls within a narrow range as the driving force due to the electric field increases and repulsive intercolloidal interactions decrease. We postulate ordering and stacking within the initial layer(s) dramatically impacts the microstructure of the deposits. We find a combination of parameters, i.e., electric field and suspension properties, whose interplay enhances colloidal ordering beyond the commonly known approach of only reducing the driving force
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Zepeda-Ruiz, Luis A
|e verfasserin
|4 aut
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| 700 |
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|a Pascall, Andrew J
|e verfasserin
|4 aut
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|a Weisgraber, Todd H
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 33(2017), 2 vom: 17. Jan., Seite 652-661
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|g month:01
|g pages:652-661
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