Single-Step Process for Titanium Surface Micro-and Nano-Structuring and In Situ Silver Nanoparticles Formation by Ultra-Short Laser Patterning

Aceti DM, Filipov E, Angelova L, Sotelo L, Fontanot T, Yousefi P, Christiansen S, Leuchs G, Stanimirov S, Trifonov A, Buchvarov I, Daskalova A (2022)

Publication Type: Journal article

Publication year: 2022

Journal

Materials MDPI

Book Volume: 15

Article Number: 4670

Journal Issue: 13

DOI: 10.3390/ma15134670

Abstract

Ultra-short laser (USL)-induced surface structuring combined with nanoparticles synthesis by multiphoton photoreduction represents a novel single-step approach for commercially pure titanium (cp-Ti) surface enhancement. Such a combination leads to the formation of distinct topographical features covered by nanoparticles. The USL processing of cp-Ti in an aqueous solu-tion of silver nitrate (AgNO3) induces the formation of micron-sized spikes surmounted by silver nanoparticles (AgNPs). The proposed approach combines the structuring and oxidation of the Ti surface and the synthesis of AgNPs in a one-step process, without the use of additional chemicals or a complex apparatus. Such a process is easy to implement, versatile and sustainable compared to alternative methodologies capable of obtaining comparable results. Antimicrobial surfaces on medical devices (e.g., surgical tools or implants), for which titanium is widely used, can be realized due to the simultaneous presence of AgNPs and micro/nano-structured surface topography. The pro-cessed surfaces were examined by means of a scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDX), atomic force microscopy (AFM) and Raman spectroscopy. The surface morphology and the oxidation, quality and quantity of AgNPs were analyzed in relation to process parameters (laser scanning speed and AgNO3 concentration), as well as the effect of AgNPs on the Raman signal of Titanium oxide.

Authors with CRIS profile

Lamborghini Sotelo Lehrstuhl für Experimentalphysik (Optik) Peyman Yousefi Lehrstuhl für Laserphysik Gerhard Leuchs Lehrstuhl für Experimentalphysik (Optik)

Involved external institutions

Bulgarian Academy of Sciences (BAS) / Българска академия на науките BG Bulgaria (BG) Fraunhofer-Institut für Keramische Technologien und Systeme (IKTS) DE Germany (DE) Innovations-Institut für Nanotechnologie und korrelative Mikroskopie e.V. (INAM) / Institute for Nanotechnology and Correlative Microscopy DE Germany (DE) Sofia University "St. Kliment Ohridski" / Софийски университет "Св. Климент Охридски" BG Bulgaria (BG)

How to cite

APA:

Aceti, D.M., Filipov, E., Angelova, L., Sotelo, L., Fontanot, T., Yousefi, P.,... Daskalova, A. (2022). Single-Step Process for Titanium Surface Micro-and Nano-Structuring and In Situ Silver Nanoparticles Formation by Ultra-Short Laser Patterning. Materials, 15(13). https://dx.doi.org/10.3390/ma15134670

MLA:

Aceti, Dante Maria, et al. "Single-Step Process for Titanium Surface Micro-and Nano-Structuring and In Situ Silver Nanoparticles Formation by Ultra-Short Laser Patterning." Materials 15.13 (2022).

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