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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c02890
|2 doi
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|a pubmed24n1181.xml
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|a (DE-627)NLM354324136
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|a (NLM)36926905
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Roach, Lucien
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Effect of Solvent on Convectively Driven Silica Particle Assembly
|b Decoupling Surface Tension, Viscosity, and Evaporation Rate
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 28.03.2023
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|a Date Revised 01.04.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The process of convectively self-assembling particles in films suffers from low reproducibility due to its high dependency on particle concentration, as well as a variety of interactions and physical parameters. Inhomogeneities in flow rates and instabilities at the air-liquid interface are mostly responsible for reproducibility issues. These problems are aggravated by adding multiple components to the dispersion, such as binary solvent mixtures or surfactant/polymer additives, both common approaches to control stick-slip behavior. When an additive is used, not only does it change the surface tension, but also the viscosity and the evaporation rate. Worse yet, gradients in these three properties can form, which then lead to Marangoni currents. Here, we use a series of alcohols to study the role of viscosity independently of other solvent properties, to show its impact on stick-slip behavior and interband distances. We show that mixtures of glycerol and alcohol or poly(acrylic acid) and alcohol lead to more complex patterning. Marangoni currents are not always observed in co-solvent systems, being dependent on the rate of solvent evaporation. To produce homogeneous particle assemblies and control stick-slip behavior, gradients must be avoided, and the surface tension and viscosity need both be carefully controlled
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|a Journal Article
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|a Gonzalez-Rodriguez, David
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Jie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Laurichesse, Eric
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Castro-Grijalba, Alexander
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Oda, Reiko
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schmitt, Véronique
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pouget, Emilie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tréguer-Delapierre, Mona
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Drisko, Glenna L
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 39(2023), 12 vom: 28. März, Seite 4216-4223
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:39
|g year:2023
|g number:12
|g day:28
|g month:03
|g pages:4216-4223
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|u http://dx.doi.org/10.1021/acs.langmuir.2c02890
|3 Volltext
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