Differentiating between the diffusion of water and ions from aqueous electrolytes in organic coatings using an integrated spectro-electrochemical technique

Negin Madelat; Benny Wouters; Ehsan Jalilian; Guy Van Assche; Annick Hubin; Herman Terryn; Tom Hauffman

doi:10.1016/j.corsci.2022.110919

Differentiating between the diffusion of water and ions from aqueous electrolytes in organic coatings using an integrated spectro-electrochemical technique

Negin Madelat, Benny Wouters, Ehsan Jalilian, Guy Van Assche, Annick Hubin, Herman Terryn, Tom Hauffman

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

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Abstract

In this work, the separate diffusion of water and ions through a polyethylene glycol diacrylate (PEGDA) coating was characterized using an integrated spectro-electrochemical technique. The ions ingress front position profile along the thickness of the coating was derived from fitting odd random phase electrochemical impedance spectroscopy (ORP-EIS) data using a physically relevant electrochemical equivalent circuit (EEC). The arrival time of the ions at the coating/metal oxide buried interface obtained from EEC and rapid uptake of water was verified using in situ attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) measurements in Kretschmann geometry integrated in the ORP-EIS set-up.

Original language	English
Article number	110919
Journal	Corrosion Science
Volume	212
DOIs	https://doi.org/10.1016/j.corsci.2022.110919
Publication status	Published - Mar 2023

Bibliographical note

Funding Information:
This research is funded by the SBO project PredictCor (project number: FWOSBO22) of the Research Foundation – Flanders (FWO).

Publisher Copyright:
© 2022 Elsevier Ltd

Copyright:
Copyright 2023 Elsevier B.V., All rights reserved.

Keywords

ATR-FTIR in Kretschmann geometry
Buried interfaces
Ion diffusion
Organic coatings
ORP-EIS
Spectro-electrochemical technique

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10.1016/j.corsci.2022.110919

Negin-Madelat-original-cleanAccepted author manuscript, 2.03 MBLicence: CC BY-NC-ND

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title = "Differentiating between the diffusion of water and ions from aqueous electrolytes in organic coatings using an integrated spectro-electrochemical technique",

abstract = "In this work, the separate diffusion of water and ions through a polyethylene glycol diacrylate (PEGDA) coating was characterized using an integrated spectro-electrochemical technique. The ions ingress front position profile along the thickness of the coating was derived from fitting odd random phase electrochemical impedance spectroscopy (ORP-EIS) data using a physically relevant electrochemical equivalent circuit (EEC). The arrival time of the ions at the coating/metal oxide buried interface obtained from EEC and rapid uptake of water was verified using in situ attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) measurements in Kretschmann geometry integrated in the ORP-EIS set-up.",

keywords = "ATR-FTIR in Kretschmann geometry, Buried interfaces, Ion diffusion, Organic coatings, ORP-EIS, Spectro-electrochemical technique",

author = "Negin Madelat and Benny Wouters and Ehsan Jalilian and {Van Assche}, Guy and Annick Hubin and Herman Terryn and Tom Hauffman",

note = "Funding Information: This research is funded by the SBO project PredictCor (project number: FWOSBO22) of the Research Foundation – Flanders (FWO). Publisher Copyright: {\textcopyright} 2022 Elsevier Ltd Copyright: Copyright 2023 Elsevier B.V., All rights reserved.",

year = "2023",

month = mar,

doi = "10.1016/j.corsci.2022.110919",

language = "English",

volume = "212",

journal = "Corrosion Science",

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T1 - Differentiating between the diffusion of water and ions from aqueous electrolytes in organic coatings using an integrated spectro-electrochemical technique

AU - Madelat, Negin

AU - Wouters, Benny

AU - Jalilian, Ehsan

AU - Van Assche, Guy

AU - Hubin, Annick

AU - Terryn, Herman

AU - Hauffman, Tom

N1 - Funding Information: This research is funded by the SBO project PredictCor (project number: FWOSBO22) of the Research Foundation – Flanders (FWO). Publisher Copyright: © 2022 Elsevier Ltd Copyright: Copyright 2023 Elsevier B.V., All rights reserved.

PY - 2023/3

Y1 - 2023/3

N2 - In this work, the separate diffusion of water and ions through a polyethylene glycol diacrylate (PEGDA) coating was characterized using an integrated spectro-electrochemical technique. The ions ingress front position profile along the thickness of the coating was derived from fitting odd random phase electrochemical impedance spectroscopy (ORP-EIS) data using a physically relevant electrochemical equivalent circuit (EEC). The arrival time of the ions at the coating/metal oxide buried interface obtained from EEC and rapid uptake of water was verified using in situ attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) measurements in Kretschmann geometry integrated in the ORP-EIS set-up.

AB - In this work, the separate diffusion of water and ions through a polyethylene glycol diacrylate (PEGDA) coating was characterized using an integrated spectro-electrochemical technique. The ions ingress front position profile along the thickness of the coating was derived from fitting odd random phase electrochemical impedance spectroscopy (ORP-EIS) data using a physically relevant electrochemical equivalent circuit (EEC). The arrival time of the ions at the coating/metal oxide buried interface obtained from EEC and rapid uptake of water was verified using in situ attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) measurements in Kretschmann geometry integrated in the ORP-EIS set-up.

KW - ATR-FTIR in Kretschmann geometry

KW - Buried interfaces

KW - Ion diffusion

KW - Organic coatings

KW - ORP-EIS

KW - Spectro-electrochemical technique

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SN - 0010-938X

VL - 212

JO - Corrosion Science

JF - Corrosion Science

M1 - 110919

ER -

Differentiating between the diffusion of water and ions from aqueous electrolytes in organic coatings using an integrated spectro-electrochemical technique

Abstract

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Keywords

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