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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.0c02243
|2 doi
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|a eng
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| 100 |
1 |
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|a Galteland, Olav
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Solvent-Mediated Forces between Ellipsoidal Nanoparticles Adsorbed at Liquid-Vapor Interfaces
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 16.12.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Classical capillary theory predicts that a non-neutrally wetting ellipsoidal particle adsorbed at a liquid-vapor interface will deform the interface. The deformation gives rise to anisotropic capillary forces of a quadrupolar nature that induce strong directionality in the particle interactions. Here, we investigate the interactions between nanoparticles with characteristic lengths of 1-5 nm. We show that the near-field interactions are dominated by solvent-mediated forces, which arise from the fluid packing between the nanoparticles and direct nanoparticle-nanoparticle interactions. The solvent-mediated forces are two orders of magnitude larger than the estimated capillary force. We find that interacting ellipsoidal nanoparticles adsorbed at the liquid-vapor interface have a larger repulsion in the depletion region than the nanoparticles submerged in a dense bulk phase and argue that this is because of a negative line tension associated with the three-phase line
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|a Journal Article
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|a Bresme, Fernando
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hafskjold, Bjørn
|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 36(2020), 48 vom: 08. Dez., Seite 14530-14538
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:36
|g year:2020
|g number:48
|g day:08
|g month:12
|g pages:14530-14538
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|u http://dx.doi.org/10.1021/acs.langmuir.0c02243
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|d 36
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