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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c02652
|2 doi
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|a pubmed24n1176.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a A, Hubao
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Molecular Origin of Wetting Characteristics on Mineral Surfaces
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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
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|2 rdacarrier
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|a Date Completed 28.02.2023
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|a Date Revised 28.02.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Accurate determination of the wetting characteristics on mineral surfaces is critical for many natural processes and industrial applications where multiphase flow in porous media is involved. The wetting behaviors on mineral surfaces are controlled by water-mineral interactions, giving rise to various wetting characteristics, including contact line advancement, formation of precursor films, etc. However, a fundamental understanding of wetting characteristics on different mineral surfaces is still lacking at the molecular level. Here, utilizing a comprehensive set of molecular dynamics simulations, we investigate the wetting characteristics of water on various mineral surfaces and obtain the corresponding water-mineral interaction properties (including the areal density of water-mineral interaction energy and the work of adhesion of the water-mineral interface), mineral wettability, and structural and diffusion properties of water molecules near the surface. We show that the diffusion properties of water molecules on mineral surfaces play an important role in wetting characteristics. We find that the contact line tends to advance forward in the jumping mode or the rolling mode during the wetting process, which depends on the diffusion capacity of the water molecules on mineral surfaces. The corresponding evolution of the solid-liquid friction coefficient during dynamic spreading is also analyzed. We further demonstrate the strong impact of isomorphic substitution and charge-balancing counterions on wetting characteristics on the surfaces of clay minerals. It is shown that the introduction of charge-balancing counterions can shift the mineral surface from strongly hydrophilic to strongly hydrophobic and lead to completely different wetting characteristics. Our results provide a clearer picture of the molecular underpinnings in mineral wetting phenomena and deepen the understanding of the control of water-mineral interactions on the wetting properties
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|a Journal Article
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| 700 |
1 |
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|a Yang, Zhibing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Ran
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Yi-Feng
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 39(2023), 8 vom: 28. Feb., Seite 2932-2942
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
8 |
|g volume:39
|g year:2023
|g number:8
|g day:28
|g month:02
|g pages:2932-2942
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.2c02652
|3 Volltext
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