Journal
NANO LETTERS
Volume 14, Issue 12, Pages 7131-7137Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl5037066
Keywords
Disjoining pressure; meniscus shape; surface tension; molecular dynamics
Categories
Funding
- National Science Foundation [DMR-1104835, CMMI-1200385]
- Extreme Science and Engineering Discovery Environment (XSEDE) [TG-CTS110056]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1104835] Funding Source: National Science Foundation
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1200385] Funding Source: National Science Foundation
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The stability of thin liquid films on nanostructured surfaces is important but poorly understood. Here, we develop a general model of the meniscus shape and disjoining pressure for thin liquid films on nanostructured surfaces based on the minimization of the free energy and the Derjaguin approximation. This model is then compared with molecular dynamics simulations for a watergold system with triangular and square nanostructures of varying depth and film thickness, demonstrating the robustness of the analytical model.
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