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Corrosion detection by infrared attenuated total reflection spectroscopy via diamond-like carbon coated silicon wafers and iron-sensitive dyes
Ulm University, Germany.
Ulm University, Germany.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Materials Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
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2019 (English)In: Sensors, ISSN 1424-8220, E-ISSN 1424-8220, Vol. 19, no 15, article id 3373Article in journal (Refereed) Published
Abstract [en]

The durability of metal-based constructions, especially those containing reinforced concrete, is mainly limited by corrosion processes. Diamond-like carbon (DLC)-coated silicon (Si) wafers provide a chemically inert and mechanically robust sensing interface for application in aggressive environments. In this study, iron-sensitive dyes, i.e., 2,3-dihydroxypyridine (DHP) and 1,2-dihydroxybenzol (DHB), were coated onto DLC-modified Si wafers for evaluating the potential of detecting corrosion processes via evanescent field absorption spectroscopy using Fourier-transform infrared spectroscopy. The obtained IR spectra reveal discernible changes of the dye layer after exposure to iron solutions, which indicates that indeed corrosion processes may be studied at molecular level detail.

Place, publisher, year, edition, pages
2019. Vol. 19, no 15, article id 3373
National Category
Analytical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-389802DOI: 10.3390/s19153373ISI: 000483198900128PubMedID: 31374817OAI: oai:DiVA.org:uu-389802DiVA, id: diva2:1339288
Funder
EU, Horizon 2020, 645758Swedish Research Council, 621-2014-5959Available from: 2019-07-29 Created: 2019-07-29 Last updated: 2019-10-16Bibliographically approved

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Forsberg, PontusMattsson, AndreasNikolajeff, FredrikÖsterlund, LarsKarlsson, Mikael
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