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Title: Mobile interfaces: Liquids as a perfect structural material for multifunctional, antifouling surfaces

Abstract

Life creates some of its most robust, extreme surface materials not from solids but from liquids: a purely liquid interface, stabilized by underlying nanotexture, makes carnivorous plant leaves ultraslippery, the eye optically perfect and dirt-resistant, our knees lubricated and pressure-tolerant, and insect feet reversibly adhesive and shape-adaptive. Novel liquid surfaces based on this idea have recently been shown to display unprecedented omniphobic, self-healing, anti-ice, antifouling, optical, and adaptive properties. In this Perspective, we present a framework and a path forward for developing and designing such liquid surfaces into sophisticated, versatile multifunctional materials. Drawing on concepts from solid materials design and fluid dynamics, we outline how the continuous dynamics, responsiveness, and multiscale patternability of a liquid surface layer can be harnessed to create a wide range of unique, active interfacial functions-able to operate in harsh, changing environments-not achievable with static solids. We discuss how, in partnership with the underlying substrate, the liquid surface can be programmed to adaptively and reversibly reconfigure from a defect-free, molecularly smooth, transparent interface through a range of finely tuned liquid topographies in response to environmental stimuli. In conclusion, with nearly unlimited design possibilities and unmatched interfacial properties, liquid materials-as long-term stable interfaces yet in their fullymore » liquid state-may potentially transform surface design everywhere from medicine to architecture to energy infrastructure.« less

Authors:
 [1];  [1]
  1. Harvard Univ., Cambridge, MA (United States)
Publication Date:
Research Org.:
Wyss Institue at Harvard, Cambridge, MA (United States)
Sponsoring Org.:
USDOE
Contributing Org.:
Wyss Institue at Harvard, Cambridge, MA (United States)
OSTI Identifier:
1185182
Grant/Contract Number:  
AR0000326
Resource Type:
Accepted Manuscript
Journal Name:
Chemistry of Materials
Additional Journal Information:
Journal Volume: 26; Journal Issue: 1; Journal ID: ISSN 0897-4756
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; self-healing surfaces; omniphobic; adaptive materials; thin films; porous materials

Citation Formats

Grinthal, Alison, and Aizenberg, Joanna. Mobile interfaces: Liquids as a perfect structural material for multifunctional, antifouling surfaces. United States: N. p., 2013. Web. doi:10.1021/cm402364d.
Grinthal, Alison, & Aizenberg, Joanna. Mobile interfaces: Liquids as a perfect structural material for multifunctional, antifouling surfaces. United States. https://doi.org/10.1021/cm402364d
Grinthal, Alison, and Aizenberg, Joanna. Mon . "Mobile interfaces: Liquids as a perfect structural material for multifunctional, antifouling surfaces". United States. https://doi.org/10.1021/cm402364d. https://www.osti.gov/servlets/purl/1185182.
@article{osti_1185182,
title = {Mobile interfaces: Liquids as a perfect structural material for multifunctional, antifouling surfaces},
author = {Grinthal, Alison and Aizenberg, Joanna},
abstractNote = {Life creates some of its most robust, extreme surface materials not from solids but from liquids: a purely liquid interface, stabilized by underlying nanotexture, makes carnivorous plant leaves ultraslippery, the eye optically perfect and dirt-resistant, our knees lubricated and pressure-tolerant, and insect feet reversibly adhesive and shape-adaptive. Novel liquid surfaces based on this idea have recently been shown to display unprecedented omniphobic, self-healing, anti-ice, antifouling, optical, and adaptive properties. In this Perspective, we present a framework and a path forward for developing and designing such liquid surfaces into sophisticated, versatile multifunctional materials. Drawing on concepts from solid materials design and fluid dynamics, we outline how the continuous dynamics, responsiveness, and multiscale patternability of a liquid surface layer can be harnessed to create a wide range of unique, active interfacial functions-able to operate in harsh, changing environments-not achievable with static solids. We discuss how, in partnership with the underlying substrate, the liquid surface can be programmed to adaptively and reversibly reconfigure from a defect-free, molecularly smooth, transparent interface through a range of finely tuned liquid topographies in response to environmental stimuli. In conclusion, with nearly unlimited design possibilities and unmatched interfacial properties, liquid materials-as long-term stable interfaces yet in their fully liquid state-may potentially transform surface design everywhere from medicine to architecture to energy infrastructure.},
doi = {10.1021/cm402364d},
journal = {Chemistry of Materials},
number = 1,
volume = 26,
place = {United States},
year = {2013},
month = {10}
}

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