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Design and Fabrication of Zwitter-Wettable Nanostructured Films SCIE SCOPUS

Title
Design and Fabrication of Zwitter-Wettable Nanostructured Films
Authors
Lee, HyominGilbert, Jonathan B.Angile, Francesco E.Yang, RongLee, DaeyeonRubner, Michael F.Cohen, Robert E.
Date Issued
2015-01-14
Publisher
ACS
Abstract
Manipulating surface properties using chemistry and roughness has led to the development of advanced multifunctional surfaces. Here, in a nanostructured polymer film consisting of a hydrophilic reservoir of chitosan/carboxymethyl cellulose capped with various hydrophobic layers, we demonstrate the role of a third design factor, water permeation rate. We use this additional design criterion to produce antifogging coatings that readily absorb water vapor while simultaneously exhibiting hydrophobic character to liquid water. These zwitter-wettable films, produced via aqueous layer-by-layer assembly, consist of a nanoscale thin hydrophobic capping layer (chitosan/Nafion) that enables water vapor to diffuse rapidly into the underlying hydrophilic reservoir rather than nucleating drops of liquid water on the surface. We characterize these novel films using a quartz crystal microbalance with dissipation monitoring (QCM-D) and via depth-profiling X-ray photoelectron spectroscopy (XPS) in addition to extensive testing for fogging/antifogging performance.
URI
https://oasis.postech.ac.kr/handle/2014.oak/39415
DOI
10.1021/am508157m
ISSN
1944-8244
Article Type
Article
Citation
ACS Applied Materials and Interfaces, vol. 7, no. 1, page. 1004 - 1011, 2015-01-14
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이효민Lee, Hyomin
Dept. of Chemical Enginrg
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