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Open AccessArticle

Influence of Dopant Nature on Biological Properties of ZnO Thin-Film Coatings on Ti Alloy Substrate

1
Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, RO-060041 Bucharest, Romania
2
Department of Biomaterials and Medical Devices, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, RO-011061 Bucharest, Romania
3
Department of Surgery, “Carol Davila” University of Medicine and Pharmacy, 8 Eroii Sanitari Street, RO-050474 Bucharest, Romania
4
Department of Prosthetics Technology and Dental Materials, “Carol Davila” University of Medicine and Pharmacy, 8 Eroii Sanitari Street, RO-050474 Bucharest, Romania
*
Authors to whom correspondence should be addressed.
Nanomaterials 2020, 10(1), 129; https://doi.org/10.3390/nano10010129
Received: 13 December 2019 / Revised: 3 January 2020 / Accepted: 9 January 2020 / Published: 10 January 2020
In this paper, ZnO and Co2+/Mg2+-doped ZnO thin films on TiAlV alloy substrates were obtained. The films were deposited by spin coating of sol-gel precursor solutions and thermally treated at 600 °C for 2 h, in air and slow cooled. The doping ions concentration was 1.0 mol%. The study’s aim was to obtain implantable metallic materials with improved biocompatibility and antibacterial qualities. The characteristics of the thin films were assessed from the point of view of microstructure, morphology, wetting properties, antibacterial activity and biological response in the presence of amniotic fluid stem cells (AFSC). The results proved that all deposited samples were nanostructured, suggesting a very good antibacterial effect and proving to be suitable supports for cellular adhesion and proliferation. All properties also depended on the doping ion nature.
Keywords: ZnO thin film; spin coating; antibacterial test; in-vitro test ZnO thin film; spin coating; antibacterial test; in-vitro test
MDPI and ACS Style

Stoleriu, S.; Lungu, C.; Ghitulica, C.D.; Surdu, A.; Voicu, G.; Cucuruz, A.; Turculet, C.S.; Ciocan, L.T. Influence of Dopant Nature on Biological Properties of ZnO Thin-Film Coatings on Ti Alloy Substrate. Nanomaterials 2020, 10, 129.

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