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241031s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c03649
|2 doi
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|a pubmed24n1600.xml
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|a (NLM)39475720
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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 Wang, Shao-Yu
|e verfasserin
|4 aut
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| 245 |
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|a Vapor Nucleation on Hybrid-Wetting Nanoconvex Surfaces
|b The Competition between Intrinsic Wettability and Topography
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|c 2024
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| 336 |
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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 Revised 12.11.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Hybrid-wetting surfaces with hydrophilic spots reduced from the micrometer to nanometer scale have been confirmed to enhance vapor nucleation while simultaneously minimizing droplet pinning. Given that surface topography also plays a critical role in influencing nucleation characteristics, the effect of competition between intrinsic wettability and topography on nucleation remains unclear when both surface topography and hydrophilic regions approach the critical nucleation size. This work investigated vapor nucleation on two types of hybrid-wetting nanoconvex surfaces. On random hybrid-wetting convex surfaces, the most negative potential energy sites were located at the sides of the convex structures, leading vapor to preferentially nucleate at these locations, consistent with observations on homogeneous surfaces. Despite similar average potential energy values across the surface, wettability variations in hydrophilic and hydrophobic atoms significantly alter the surface energy distribution. As the wettability difference between hydrophilic and hydrophobic atoms increases, stronger hydrophilic atoms generate relatively higher local energy regions, promoting vapor rapid nucleation. The edge effect still exists at a hydrophilic atom ratio of 10%, and competition among hydrophilic spots impedes vapor nucleation and growth. However, when the ratio increases to 40%, the increased surface average potential energy promotes the probability of vapor contacting the surface, leading to rapid vapor nucleation on the sides of the convex structures. In addition, surface potential energy analysis and the Monte Carlo method revealed that nucleation locations on nanoconvex surfaces are governed by the competition between intrinsic wettability and topography. When the magnitude of the potential energy generated by the hydrophilic atoms exceeds that from the topography, stronger solid-liquid interactions at the top of the convex structure increase the likelihood of vapor contacting the surface, resulting in nucleation at the top. Conversely, when the magnitude of the potential energy generated by hydrophilic atoms is lower than that from topography, nucleation preferentially still occurs on the sides
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|a Journal Article
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| 700 |
1 |
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|a Wang, Zi-Jie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Dan-Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yi-Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yi-Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Ben-Xi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yan-Ru
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xiao-Dong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Duu-Jong
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 45 vom: 12. Nov., Seite 24162-24173
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:40
|g year:2024
|g number:45
|g day:12
|g month:11
|g pages:24162-24173
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.4c03649
|3 Volltext
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|d 40
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