期刊
APPLIED PHYSICS LETTERS
卷 103, 期 25, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4837717
关键词
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资金
- NSFC [21176133, 51321002]
- U.S. National Science Foundation [CAREER-0968927, DMR-1104835, CMMI-1200385]
- Extreme Science and Engineering Discovery Environment (XSEDE) [TG-CTS110056]
- Tsinghua National Laboratory for Information Science and Technology
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1104835] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [0968927] Funding Source: National Science Foundation
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1200385] Funding Source: National Science Foundation
- Office of Advanced Cyberinfrastructure (OAC)
- Direct For Computer & Info Scie & Enginr [0910735] Funding Source: National Science Foundation
In this Letter, dynamic wetting of water nano-droplets containing non-surfactant gold nanoparticles on a gold substrate is examined via molecular dynamics simulations. The results show that the addition of non-surfactant nanoparticles hinders the nano-second droplet wetting process, attributed to the increases in both surface tension of the nanofluid and friction between nanofluid and substrate. The droplet wetting kinetics decreases with increasing nanoparticle loading and water-particle interaction energy. The observed wetting suppression and the absence of nanoparticle ordering near the contact line of nano-sized droplets differ from the wetting behaviors reported from nanofluid droplets of micron size or larger. (C) 2013 AIP Publishing LLC.
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