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dc.contributor.authorOgieglo, Wojciech
dc.contributor.authorPinnau, Ingo
dc.contributor.authorWessling, Matthias
dc.date.accessioned2017-10-17T11:47:40Z
dc.date.available2017-10-17T11:47:40Z
dc.date.issued2017-10-14
dc.identifier.citationOgieglo W, Pinnau I, Wessling M (2017) In-situ Non-Invasive Imaging of Liquid-Immersed Thin Film Composite Membranes. Journal of Membrane Science. Available: http://dx.doi.org/10.1016/j.memsci.2017.10.027.
dc.identifier.issn0376-7388
dc.identifier.doi10.1016/j.memsci.2017.10.027
dc.identifier.urihttp://hdl.handle.net/10754/625892
dc.description.abstractWe present a non-invasive method to directly image liquid-immersed thin film composite membranes. The approach allows accessing information not only on the lateral distribution of the coating thickness, including variations in its swelling and density, but also on the distribution of substrate porosity, roughness, accessibility of pores to liquid, and even the degree of pore intrusion related to the thin layer deposition process. The method can be particularly helpful in the fields of functional coatings or membranes to allow laterally-resolved studies under realistic application conditions thereby opening completely new research avenues. The approach is demonstrated in a study of two polymers of intrinsic microporosity, PIM-1 and PIM-6FDA-OH, coated on polyacrylonitrile support and immersed in water. Variations of the skin morphology using different coating methods (floating, spin-coating and dip-coating) are evaluated with the help of the presented method. Surfaces of at least tens of cm2 can be potentially analyzed.
dc.description.sponsorshipThe authors gratefully acknowledge the help of John Linkhorst (AVT at RWTH Aachen) with the construction of customized equipment, Karin Faensen (AVT at RWTH Aachen) for the SEM analysis, and Marcel van Dongen (DWI Leibniz Institute for Interactive Materials in Aachen) for the AFM analysis. This publication is based upon work supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award No. SEED Fund OSR-2015-SEED-2445-01.
dc.publisherElsevier BV
dc.relation.urlhttp://www.sciencedirect.com/science/article/pii/S0376738817321555
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Journal of Membrane Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Membrane Science, 13 October 2017 DOI: 10.1016/j.memsci.2017.10.027. © 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleIn-situ Non-Invasive Imaging of Liquid-Immersed Thin Film Composite Membranes
dc.typeArticle
dc.contributor.departmentAdvanced Membranes and Porous Materials Research Center
dc.identifier.journalJournal of Membrane Science
dc.eprint.versionPost-print
dc.contributor.institutionDWI - Leibniz Institute for Interactive Materials, Forckenbeckstr. 50, 52074 Aachen, Germany
kaust.personPinnau, Ingo
kaust.grant.numberOSR-2015-SEED-2445-01


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