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Spectroscopic imaging of the buried substrate / polymer interface upon exposure to corrosive environments
RISE Research Institutes of Sweden, Materials and Production, Corrosion.ORCID iD: 0000-0003-2042-1235
RISE Research Institutes of Sweden, Materials and Production, Corrosion. (Institut de la Corrosion)ORCID iD: 0000-0001-5462-2700
2021 (English)In: Vibrational Spectroscopy, ISSN 0924-2031, E-ISSN 1873-3697, Vol. 113, article id 103217Article in journal (Refereed) Published
Abstract [en]

Spectroscopic imaging of water at the substrate / polymer interface was demonstrated by a new experimental set-up based on FTIR-ATR focal plane array (FPA) imaging and simultaneous electrochemical impedance spectroscopy measurements. The local distribution of water at the substrate / polymer interfacial region could be imaged with a lateral resolution in the micrometer range. The kinetics of local water uptake vs exposure time on polymer coated Ge as well as on polymer coated and NaCl pre-contaminated Ge surfaces was obtained. The set-up can also be used to study interfacial processes at polymer coated thin film metallic or metal oxide surfaces.

Place, publisher, year, edition, pages
Elsevier B.V. , 2021. Vol. 113, article id 103217
Keywords [en]
Attenuated total reflectance, Focal plane array detector, FTIR-imaging, Infrared spectroscopy, Micro spectroscopy, Electrochemical impedance spectroscopy, Fourier transform infrared spectroscopy, Germanium, Metals, Polymers, Sodium chloride, Underground corrosion, Corrosive environment, Electrochemical impedance spectroscopy measurements, Experimental set up, Interfacial process, Interfacial region, Local distributions, Metal oxide surfaces, Spectroscopic imaging, Plastic coatings
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-52407DOI: 10.1016/j.vibspec.2021.103217Scopus ID: 2-s2.0-85100413229OAI: oai:DiVA.org:ri-52407DiVA, id: diva2:1529527
Available from: 2021-02-18 Created: 2021-02-18 Last updated: 2023-05-16Bibliographically approved

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Persson, DanThierry, Dominique

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