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Direct three-dimensional imaging of polymer-water interfaces by nanoscale hard X-ray phase tomography

We report three-dimensional (3D) direct imaging of complex surface-liquid interfaces by hard X-ray phase contrast tomography as a non-destructive approach for the morphological characterization of surfaces at the micro- and nanoscale in contact with water. Specifically, we apply this method to study...

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Hauptverfasser: Cheng, Yin (VerfasserIn) , Suhonen, Heikki (VerfasserIn) , Helfen, Lukas (VerfasserIn) , Li, Junsheng (VerfasserIn) , Xu, Feng (VerfasserIn) , Grunze, Michael (VerfasserIn) , Levkin, Pavel (VerfasserIn) , Baumbach, Tilo (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 14 January 2014
In: Soft matter
Year: 2014, Jahrgang: 10, Heft: 17, Pages: 2982-2990
ISSN:1744-6848
DOI:10.1039/C3SM52604F
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1039/C3SM52604F
Verlag, lizenzpflichtig, Volltext: https://pubs.rsc.org/en/content/articlelanding/2014/sm/c3sm52604f
Volltext
Verfasserangaben:Yin Cheng, Heikki Suhonen, Lukas Helfen, Junsheng Li, Feng Xu, Michael Grunze, Pavel A. Levkin and Tilo Baumbach
Beschreibung
Zusammenfassung:We report three-dimensional (3D) direct imaging of complex surface-liquid interfaces by hard X-ray phase contrast tomography as a non-destructive approach for the morphological characterization of surfaces at the micro- and nanoscale in contact with water. Specifically, we apply this method to study the solid-air-water interface in hydrophobic macroporous polymethacrylate surfaces, and the solid-oil-water interface in slippery liquid-infused porous surfaces (SLIPS). Varying the isotropic spatial resolution allows the 3D quantitative characterization of individual polymer globules, globular clusters (porosity) as well as the infused lubricant layer on SLIPS. Surface defects were resolved at the globular level. We show the first application of X-ray nanotomography to hydrated surface characterizations and we anticipate that X-ray nanoscale imaging will open new ways for various surface/interface studies.
Beschreibung:Gesehen am 27.10.2020
Beschreibung:Online Resource
ISSN:1744-6848
DOI:10.1039/C3SM52604F

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