Please use this identifier to cite or link to this item: https://doi.org/10.1021/am4015549
Title: Cross-linked polyelectrolyte multilayers for marine antifouling applications
Authors: Zhu, X.
Jańczewski, D.
Lee, S.S.C. 
Teo, S.L.-M. 
Vancso, G.J.
Keywords: covalent cross-linking
layer by layer assembly
marine fouling
polyelectrolyte
Issue Date: 10-Jul-2013
Citation: Zhu, X., Jańczewski, D., Lee, S.S.C., Teo, S.L.-M., Vancso, G.J. (2013-07-10). Cross-linked polyelectrolyte multilayers for marine antifouling applications. ACS Applied Materials and Interfaces 5 (13) : 5961-5968. ScholarBank@NUS Repository. https://doi.org/10.1021/am4015549
Abstract: A polyionic multilayer film was fabricated by layer-by-layer (LbL) sequential deposition followed by cross-linking under mild conditions on a substrate surface to inhibit marine fouling. A novel polyanion, featuring methyl ester groups for an easy cross-linking was used as a generic solution for stabilization of LbL films in a harsh environment. Covalent cross-linking was confirmed by FTIR and XPS spectroscopy. AFM was used to observe film morphology and its variation because of cross-linking, as well as to measure the thickness of the LbL films. Cross-linking improved the stability of the LbL film when it was immersed in artificial seawater, natural seawater, and in a polar organic solvent (DMSO). No changes in the thickness and topography of the film were observed in these media. The LbL films prevented settlement of Amphibalanus amphitrite barnacle cyprids and reduced adhesion of the benthic diatom Amphora coffeaeformis. Assay results indicated that the cross-linking process did not weaken the antifouling effect of LbL films. The high stability and low degree of fouling make these coatings potentially promising candidates in marine applications. © 2013 American Chemical Society.
Source Title: ACS Applied Materials and Interfaces
URI: http://scholarbank.nus.edu.sg/handle/10635/110848
ISSN: 19448244
DOI: 10.1021/am4015549
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