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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c02689
|2 doi
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|a eng
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| 100 |
1 |
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|a Manabe, Kengo
|e verfasserin
|4 aut
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| 245 |
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|a Green Superlubricity Enabled by Only One Water Droplet on Plant Oil-Infused Surfaces
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|c 2021
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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 Completed 27.01.2022
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|a Date Revised 27.01.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The increase in energy loss due to friction and the use of large amounts of lubricants to improve it are major challenges we face from a global environmental perspective. Pitcher-plant-inspired liquid-infused surfaces (LISs) are emerging super-repellent surfaces against liquids. However, their coefficient of friction (CoF) against solids is higher than that of conventional lubricant surfaces. Herein, we demonstrate superlubricity with a single water droplet placed on a LIS holding oleic acid, a component of plant oil. When a water droplet is placed on the fluid layer, the CoF under reciprocating and rotating friction is 0.012 and 0.0098, respectively. A force in the direction opposite to the loading due to the Laplace pressure on the droplet and an autonomous positional movement of the water accompanied by the optimization of surface energy maintain the fluid-lubrication state and prevent direct contact between the surface and the friction material, resulting in a decrease of the dependence of the CoF on the friction velocity. The key technology here will not only present a novel strategy for preparing LISs against solids but also serve as a step toward a sustainable green strategy for friction reduction and lubrication, which would greatly reduce energy loss and environmental degradation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Plant Oils
|2 NLM
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| 650 |
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Nakano, Miki
|e verfasserin
|4 aut
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|a Norikane, Yasuo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 37(2021), 51 vom: 28. Dez., Seite 14878-14888
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|x 1520-5827
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|g volume:37
|g year:2021
|g number:51
|g day:28
|g month:12
|g pages:14878-14888
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|u http://dx.doi.org/10.1021/acs.langmuir.1c02689
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