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Title: Slip length enhancement in nanofluidic flow using nanotextured superhydrophobic surfaces

Abstract

In our study, the development of highly efficient nanofluidic devices necessitates means for enhancing and controlling fluid transport under confinement. We show experimentally that significant interfacial drag reduction in nanoscale channels can be obtained with hydrophobic arrays of conical textures tapering to a radius of less than 10 nanometer at their tip. Finally, this geometry maximizes interfacial slippage by trapping a highly resilient air layer at the solid/liquid interface.

Authors:
 [1];  [2];  [3];  [2];  [2]
  1. Max-Planck-Institut fur Intelligente Systeme, Stuttgart (Germany)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Max-Planck-Institut fur Intelligente Systeme, Stuttgart (Germany); Univ. Stuttgart, Stuttgart (Germany)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1263912
Report Number(s):
BNL-112313-2016-JA
Journal ID: ISSN 2196-7350; R&D Project: PO034; KC0203010
Grant/Contract Number:
SC00112704
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Advanced Materials Interfaces
Additional Journal Information:
Journal Name: Advanced Materials Interfaces; Journal ID: ISSN 2196-7350
Publisher:
Wiley-VCH
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Heverhagen, Jonas, Checco, Antonio, Tasinkevych, Mykola, Rahman, Atikur, and Black, Charles T. Slip length enhancement in nanofluidic flow using nanotextured superhydrophobic surfaces. United States: N. p., 2016. Web. doi:10.1002/admi.201600303.
Heverhagen, Jonas, Checco, Antonio, Tasinkevych, Mykola, Rahman, Atikur, & Black, Charles T. Slip length enhancement in nanofluidic flow using nanotextured superhydrophobic surfaces. United States. doi:10.1002/admi.201600303.
Heverhagen, Jonas, Checco, Antonio, Tasinkevych, Mykola, Rahman, Atikur, and Black, Charles T. 2016. "Slip length enhancement in nanofluidic flow using nanotextured superhydrophobic surfaces". United States. doi:10.1002/admi.201600303. https://www.osti.gov/servlets/purl/1263912.
@article{osti_1263912,
title = {Slip length enhancement in nanofluidic flow using nanotextured superhydrophobic surfaces},
author = {Heverhagen, Jonas and Checco, Antonio and Tasinkevych, Mykola and Rahman, Atikur and Black, Charles T.},
abstractNote = {In our study, the development of highly efficient nanofluidic devices necessitates means for enhancing and controlling fluid transport under confinement. We show experimentally that significant interfacial drag reduction in nanoscale channels can be obtained with hydrophobic arrays of conical textures tapering to a radius of less than 10 nanometer at their tip. Finally, this geometry maximizes interfacial slippage by trapping a highly resilient air layer at the solid/liquid interface.},
doi = {10.1002/admi.201600303},
journal = {Advanced Materials Interfaces},
number = ,
volume = ,
place = {United States},
year = 2016,
month = 6
}

Journal Article:
Free Publicly Available Full Text
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