In-situ formation of Ag nanoparticles in the MAO coating during the processing of cp-Ti

Maj*, Z. Fogarassy, D. Wojtas, A. Jarzębska, F. Muhaffel, A. Sulyok, A. Góral, M. Kulczyk, H. Çimenoğlu, M. Bieda

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Silver nanoparticle (Ag-NP) containing antibacterial micro-arc oxidation (MAO) coatings have already been synthesized over titanium-based materials via the MAO process employed in silver acetate (AgC2H3O2) containing electrolyte. However, the way of incorporation and in-situ formation of Ag-NPs within the MAO coating have not been documented yet. Present work was initiated to reveal the mechanism of Ag-NP formation within the MAO coatings. Thus, the structure of the MAO coating fabricated on commercial purity titanium in the AgC2H3O2-containing electrolyte was investigated by electron microscopy techniques. To this end, the cross-sectional high-resolution electron microscopy studies were carried out on lamella cut out with the focused ion beam technique, and these investigations were backed by X-ray photoelectron spectroscopy measurements of chemical composition on the surface of the MAO coating. These studies revealed that Ag is dispersed in the form of nanoparticles throughout the coating and that a higher density was confirmed closer to the micro-pores.

Orijinal dilİngilizce
Makale numarası3230
DergiScientific Reports
Basın numarası1
Yayın durumuYayınlandı - Ara 2023

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© 2023, The Author(s).


This research was funded by the National Science Centre of Poland, grant number UMO-2020/39/D/ST8/01783. Authors also thank the support of VEKOP-2.3.3-15-2016-00002 of the European Structural and Investment Funds. This paper was supported by the János Bolyai Research Scholarship (Z. Fogarassy) of the Hungarian Academy of Sciences.

FinansörlerFinansör numarası
Magyar Tudományos Akadémia
Narodowe Centrum NaukiUMO-2020/39/D/ST8/01783, VEKOP-2.3.3-15-2016-00002

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