Replication Data for: Photocorrosion of n- and p-Type Semiconducting Oxide Covered Metals: Case Studies of Anodized Titanium and Copper

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Wilson, Håvard; Van Rooij, Arnoul; Jenewein, Ken; Knöppel, Julius; Kormányos, Attila; Cherevko, Serhiy; Sunde, Svein; Erbe, Andreas, 2022, "Replication Data for: Photocorrosion of n- and p-Type Semiconducting Oxide Covered Metals: Case Studies of Anodized Titanium and Copper", https://doi.org/10.18710/SOTK4W, DataverseNO, V1

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Description	Titanium with 10s of nm thick n-type anatase oxide films and copper with p-type cuprite oxide films have been prepared, and the photoelectrochemical contributions to the corrosion currents analysed and compared. Titanium samples were analysed in 0.5 M sulfuric acid, and copper samples in borate buffer (pH 9). This dataset contains different measurements supporting mechanisms of photodissolution of oxide-covered metals. Most experiments were performed with white light illumination for copper and 320 nm illumination for titanium, but for reference, other wavelengths were also used, and reference measurements in the dark were conducted. The dataset contains the following experimental results: (i) Photovoltage and photocurrent measurements; (ii) potentiodynamic polarisation curves, including measurements with illumination at selected wavelengths throughout the UV-VIS spectrum, measurements with different oxygen or nitrogen purging, and experiments with different illumination intensities; (iii) full electrochemical impedance spectra, including potential dependent measurements; (iv) capacitance measurements at selected frequencies for Mott-Schottky analysis; (v) in situ UV-VIS reflectance spectra of copper after different exposure times to electrolyte with and without illumination; and (vi) downstream ICP-MS analysis of dissolved titanium with and without illumination. All electrochemical experiments were performed under controlled convection, which enabled a quantification of different contributions to the overall uniform photocorrosion rate of copper and titanium. The dataset contains ASCII files with descriptive filenames and is structured in subfolders indicating the respective methods. A detailed interpretation of the results, and the experimental details associated with the dataset is available in the associated article. (2022-03-14)
Subject	Chemistry; Engineering; Physics
Keyword	Photocorrosion, Passivity, Corrosion, Materials Science, Electrochemistry
Related Publication	Wilson, H., Van Rooij, A., Jenewein, K., Knöppel, J., Kormányos, A., Cherevko, S., Sunde, S. and Erbe, A. (2022), Photocorrosion of n- and p-Type Semiconducting Oxide-Covered Metals: Case Studies of Anodized Titanium and Copper. Physica Status Solidi A, 219: 2100852. https://doi.org/10.1002/pssa.202100852 doi: 10.1002/pssa.202100852
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	00_readme.txt Plain Text - 47.7 KB Published Mar 25, 2022 16 Downloads MD5: ed577ac725254cc4a98866202470509f Readme file for the data package.	Preview "00_readme.txt" Access File File Access Public Download Options Plain Text Download Metadata Data File Citation EndNote XML RIS BibTeX
	CuTiPhotocorrosion.zip ZIP Archive - 2.4 MB Published Mar 25, 2022 21 Downloads MD5: 955df02f918eba6ad00507c4fa1fb9b8 Full data package; see file 00_readme.txt for details.	Preview "CuTiPhotocorrosion.zip" Access File File Access Public Download Options ZIP Archive Download Metadata Data File Citation EndNote XML RIS BibTeX

Citation Metadata

Persistent Identifier	doi:10.18710/SOTK4W
Publication Date	2022-03-25
Title	Replication Data for: Photocorrosion of n- and p-Type Semiconducting Oxide Covered Metals: Case Studies of Anodized Titanium and Copper
Author	Wilson, Håvard (NTNU – Norwegian University of Science and Technology) Van Rooij, Arnoul (NTNU – Norwegian University of Science and Technology) Jenewein, Ken (Forschungszentrum Jülich, Helmholtz Institute Erlangen-Nürnberg) Knöppel, Julius (Forschungszentrum Jülich, Helmholtz Institute Erlangen-Nürnberg) Kormányos, Attila (Forschungszentrum Jülich, Helmholtz Institute Erlangen-Nürnberg) Cherevko, Serhiy (Forschungszentrum Jülich, Helmholtz Institute Erlangen-Nürnberg) Sunde, Svein (NTNU – Norwegian University of Science and Technology) Erbe, Andreas (NTNU – Norwegian University of Science and Technology)
Point of Contact	Use email button above to contact. Erbe, Andreas (NTNU – Norwegian University of Science and Technology)
Description	Titanium with 10s of nm thick n-type anatase oxide films and copper with p-type cuprite oxide films have been prepared, and the photoelectrochemical contributions to the corrosion currents analysed and compared. Titanium samples were analysed in 0.5 M sulfuric acid, and copper samples in borate buffer (pH 9). This dataset contains different measurements supporting mechanisms of photodissolution of oxide-covered metals. Most experiments were performed with white light illumination for copper and 320 nm illumination for titanium, but for reference, other wavelengths were also used, and reference measurements in the dark were conducted. The dataset contains the following experimental results: (i) Photovoltage and photocurrent measurements; (ii) potentiodynamic polarisation curves, including measurements with illumination at selected wavelengths throughout the UV-VIS spectrum, measurements with different oxygen or nitrogen purging, and experiments with different illumination intensities; (iii) full electrochemical impedance spectra, including potential dependent measurements; (iv) capacitance measurements at selected frequencies for Mott-Schottky analysis; (v) in situ UV-VIS reflectance spectra of copper after different exposure times to electrolyte with and without illumination; and (vi) downstream ICP-MS analysis of dissolved titanium with and without illumination. All electrochemical experiments were performed under controlled convection, which enabled a quantification of different contributions to the overall uniform photocorrosion rate of copper and titanium. The dataset contains ASCII files with descriptive filenames and is structured in subfolders indicating the respective methods. A detailed interpretation of the results, and the experimental details associated with the dataset is available in the associated article. (2022-03-14)
Subject	Chemistry; Engineering; Physics
Keyword	Photocorrosion Passivity Corrosion Materials Science Electrochemistry
Related Publication	Wilson, H., Van Rooij, A., Jenewein, K., Knöppel, J., Kormányos, A., Cherevko, S., Sunde, S. and Erbe, A. (2022), Photocorrosion of n- and p-Type Semiconducting Oxide-Covered Metals: Case Studies of Anodized Titanium and Copper. Physica Status Solidi A, 219: 2100852. https://doi.org/10.1002/pssa.202100852 doi: 10.1002/pssa.202100852 https://doi.org/10.1002/pssa.202100852
Producer	NTNU – Norwegian University of Science and Technology (NTNU) https://www.ntnu.edu/ Forschungszentrum Jülich https://www.fz-juelich.de/en Helmholtz Institute Erlangen-Nürnberg https://www.hi-ern.de/en
Distributor	NTNU – Norwegian University of Science and Technology (NTNU – Norwegian University of Science and Technology) (NTNU) https://dataverse.no/dataverse/ntnu
Depositor	Erbe, Andreas
Deposit Date	2022-03-14

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