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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.0c01515
|2 doi
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|a pubmed24n1050.xml
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|a (DE-627)NLM315260637
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|a DE-627
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|a eng
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|a Ko, Young Su
|e verfasserin
|4 aut
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|a Quantifying Frictional Drag Reduction Properties of Superhydrophobic Metal Oxide Nanostructures
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|c 2020
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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 13.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We measure the frictional drag-reducing property of various superhydrophobic metal oxide nanostructures by quantifying their effective slip length. Scalable chemical methods tailored to each metal substrate are applied to grow oxide nanostructures on copper (Cu), aluminum (Al), and titanium (Ti), respectively. In particular, three different types of oxide nanostructures are grown on the titanium substrate by changing the chemical composition to investigate the morphological influence on the slip length. Microchannels containing metal oxide nanostructures are fabricated based on the microfluidic sticker method, while the slip length is unambiguously determined by measuring the ratio of the volume flow rate over the superhydrophobic surface to that over the flat surface simultaneously. The slip length is measured to be 6.8 ± 1.4 μm on Cu nanostructures, while it is measured to be 2.5 ± 0.6 μm on Al nanostructures. For Ti nanostructures, the measured slip lengths range from 1 to 2.5 ± 0.5 μm, where they increase proportionally with the structural pitch of the nanostructures, agreeing with the theoretical predictions. We believe that our results will be useful in applying scalable low-cost metal oxide nanostructures to underwater applications by providing their frictional characteristics
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|a Journal Article
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|a Kim, Hyeon Jeong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ha, Chi Wook
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Choongyeop
|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 36(2020), 40 vom: 13. Okt., Seite 11809-11816
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:36
|g year:2020
|g number:40
|g day:13
|g month:10
|g pages:11809-11816
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|u http://dx.doi.org/10.1021/acs.langmuir.0c01515
|3 Volltext
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