Giant Slip Induced Anomalous Dewetting of an Ultrathin Film on a Viscous Sublayer

A ‘giant’ slip dynamics was engineered to a highly confined interface of a dewetting polymethylmethacrylate (PMMA) ultrathin film by introducing a lubricating viscous polystyrene (PS) sublayer. The crossover of regimes from no-slip to giant-slip was engendered by tuning the viscosity and thickness o...

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Autores principales: Xu, Lin, Bandyopadhyay, Dipankar, Reddy, Puchalapalli Dinesh Sankar, Sharma, Ashutosh, Joo, Sang Woo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2017
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5676695/
https://www.ncbi.nlm.nih.gov/pubmed/29116103
http://dx.doi.org/10.1038/s41598-017-14861-4
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author Xu, Lin
Bandyopadhyay, Dipankar
Reddy, Puchalapalli Dinesh Sankar
Sharma, Ashutosh
Joo, Sang Woo
author_facet Xu, Lin
Bandyopadhyay, Dipankar
Reddy, Puchalapalli Dinesh Sankar
Sharma, Ashutosh
Joo, Sang Woo
author_sort Xu, Lin
collection PubMed
description A ‘giant’ slip dynamics was engineered to a highly confined interface of a dewetting polymethylmethacrylate (PMMA) ultrathin film by introducing a lubricating viscous polystyrene (PS) sublayer. The crossover of regimes from no-slip to giant-slip was engendered by tuning the viscosity and thickness of the sublayer. A long-range hole-rim interaction with increase in slippage on the PMMA-PS interface transformed the circular holes on the PMMA surface into the noncircular faceted ones. The extent of the slippage and the transition of the length scales from slip-dominated to no-slip regime were evaluated using a general linear stability analysis. The proposed formulation provided an analytical tool to evaluate the slippage effective at the soft and deformable liquid-liquid interfaces.
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spelling pubmed-56766952017-11-15 Giant Slip Induced Anomalous Dewetting of an Ultrathin Film on a Viscous Sublayer Xu, Lin Bandyopadhyay, Dipankar Reddy, Puchalapalli Dinesh Sankar Sharma, Ashutosh Joo, Sang Woo Sci Rep Article A ‘giant’ slip dynamics was engineered to a highly confined interface of a dewetting polymethylmethacrylate (PMMA) ultrathin film by introducing a lubricating viscous polystyrene (PS) sublayer. The crossover of regimes from no-slip to giant-slip was engendered by tuning the viscosity and thickness of the sublayer. A long-range hole-rim interaction with increase in slippage on the PMMA-PS interface transformed the circular holes on the PMMA surface into the noncircular faceted ones. The extent of the slippage and the transition of the length scales from slip-dominated to no-slip regime were evaluated using a general linear stability analysis. The proposed formulation provided an analytical tool to evaluate the slippage effective at the soft and deformable liquid-liquid interfaces. Nature Publishing Group UK 2017-11-07 /pmc/articles/PMC5676695/ /pubmed/29116103 http://dx.doi.org/10.1038/s41598-017-14861-4 Text en © The Author(s) 2017 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Xu, Lin
Bandyopadhyay, Dipankar
Reddy, Puchalapalli Dinesh Sankar
Sharma, Ashutosh
Joo, Sang Woo
Giant Slip Induced Anomalous Dewetting of an Ultrathin Film on a Viscous Sublayer
title Giant Slip Induced Anomalous Dewetting of an Ultrathin Film on a Viscous Sublayer
title_full Giant Slip Induced Anomalous Dewetting of an Ultrathin Film on a Viscous Sublayer
title_fullStr Giant Slip Induced Anomalous Dewetting of an Ultrathin Film on a Viscous Sublayer
title_full_unstemmed Giant Slip Induced Anomalous Dewetting of an Ultrathin Film on a Viscous Sublayer
title_short Giant Slip Induced Anomalous Dewetting of an Ultrathin Film on a Viscous Sublayer
title_sort giant slip induced anomalous dewetting of an ultrathin film on a viscous sublayer
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5676695/
https://www.ncbi.nlm.nih.gov/pubmed/29116103
http://dx.doi.org/10.1038/s41598-017-14861-4
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